# US RE45,026 E1 · Resistance heating system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US RE45,026 E1 - Document ID: USRE45026E1 - Status: Granted - Kind: E1 - Application number: 12/324,501 - Filed: 2008-11-26 - Granted: 2014-07-22 - Earliest claimed: 2005-03-08 - Assignees: Power House Tool, Inc. - Applicants: Glenn F. Jorgensen; Michael W. Kelly; Laura Patterson - Inventors: Glenn F. Jorgensen; Michael W. Kelly; Laura Patterson - Web page: https://patentgrep.com/patent/USRE45026E1 ## Abstract A resistance heating system is provided which includes a resistance heater, a source of alternating current electricity connected by conductors to the resistance heater, and a controller comprising a timer arranged to connect the source of alternating current electricity to the resistance heater for a selected time period and to disconnect the source from the resistance following the selected time period. In an embodiment, the resistance heating system is provided with a controller configured to be connected to a source of alternating current electricity and having a plurality of cable plug receptacles arranged to receive electricity. An electricity conducting cable having a cable plug at one end is configured to be received in the receptacles and has a resistance heater provided at an opposite end. A master timer may be connected with a communication arrangement to the controller. The master timer is arranged to control an electric output of a plurality of the receptacles. ## Claims ### Claim 1 A resistance heating system comprising: a controller configured to be connected to a source of alternating current electricity and having a plurality of cable plug receptacles arranged to receive electricity, a plurality of electricity conducting cables, each having a cable plug at one end configured to be received in one of said receptacles and having a resistance heater provided at an opposite end, wherein said resistance heater comprises a bolt heater, an individual timer associated with each receptacle arranged to selectively provide such receptacle with electricity during a time interval, a master timer connected with a communication arrangement to said controller, said master timer arranged to selectively provide a plurality of said receptacles with electricity during a time interval, and a switch to permit a user to select a master timer or an individual timer control for each receptacle. ### Claim 2 (depends on 1) A resistance heating system according to claim 1, wherein said individual timers and said master timer include an input arrangement for a user to input a selected time into said timers. ### Claim 3 (depends on 1) A resistance heating system according to claim 1, wherein said resistance heater comprises a bolt heater. ### Claim 4 (depends on 1, 3) A resistance heating system according to claim 3, claim 1, wherein said bolt heater includes a visual indicator to indicate when electrical current is being supplied to said bolt heater. ### Claim 5 (depends on 1, 3) A resistance heating system according to claim 3, claim 1, further including an adapter sheath arranged to effectively increase a diameter of said bolt heater. ### Claim 6 (depends on 1) A resistance heating system according to claim 1, wherein said source of alternating current electricity provides 480 volt electricity. ### Claim 7 (depends on 1) A resistance heating system according to claim 1, wherein said controller includes a visual indicator for displaying a status of each of said timers. ### Claim 8 (depends on 1) A resistance heating system according to claim 1, wherein said controller is mounted on a portable frame. ### Claim 9 A resistance heating system comprising: a controller configured to be connected to a source of alternating current electricity and having a plurality of cable plug receptacles arranged to receive electricity, a plurality of electricity conducting cables each having a cable plug at one end configured to be received in said receptacles and having a resistance heater provided at an opposite end, a master timer connected with a communication arrangement to said controller, said master timer arranged to control an electric output of a plurality of said receptacles, and an illumination display indicator associated with each receptacle to provide an indication of a status of each receptacle. ### Claim 10 (depends on 9) A resistance hearing system according to claim 9, wherein said controller is mounted on a portable frame. ### Claim 11 (depends on 10) A resistance heating system according to claim 10, wherein said frame is provided with wheels. ### Claim 12 (depends on 9) A resistance heating system according to claim 9, wherein said master timer is provided remote from said controller. ### Claim 13 (depends on 9) A resistance heating system according to claim 9, wherein said master timer controls electricity flow to each of said receptacles. ### Claim 14 (depends on 9) A resistance heating system according to claim 9, wherein said controller includes a user operable selection switch to enable said master timer to control said electric output of said plurality of receptacles. ### Claim 15 (depends on 9) A resistance heating system according to claim 9, wherein said master timer includes an input arrangement for a user to input a selected time into said timer. ### Claim 16 A resistance heating system comprising: a controller configured to be connected to a source of alternating current electricity and having a plurality of cable plug receptacles, a plurality of electricity conducting cables each having a cable plug at one end configured to be received in said receptacles and having a resistance heater provided at an opposite end, a timer associated with each receptacle, an input arrangement for a user to input a selected time into said timers, and a visual indicator arranged to display a status of each of said receptacles. ### Claim 17 (depends on 16) A resistance heating system according to claim 16, wherein said controller is mounted on a portable frame. ### Claim 18 (depends on 16) A resistance heating system according to claim 16, further including a remote controller arranged to provide timer control for each of said receptacles simultaneously. ### Claim 19 (depends on 16) A resistance heating system according to claim 16, wherein said source of alternating current electricity comprises 480 volts, 3 phase alternating current electricity. ### Claim 20 (depends on 16) A resistance heating system according to claim 16, wherein said resistance heater comprises a bolt heater. ### Claim 21 (depends on 20) A resistance heating system according to claim 20, wherein said bolt heater includes a visual indicator to indicate when electrical current is being supplied to said bolt heater. ### Claim 22 (depends on 20) A resistance heating system according to claim 20, further including an adapter sheath arranged to effectively increase a diameter of said bolt heater. ### Claim 23 A multiple receptacle controller comprising: a portable frame configured to be connected to a source of alternating current electricity and having a plurality of cable plug receptacles arranged to receive electricity from said source, an individual timer associated with each receptacle and arranged to selectively control an electric output of the associated receptacle, including an input arrangement for a user to input a selected time into said individual timer, a master timer arranged to selectively control an electric output of a plurality of said receptacles, including an input arrangement for a user to input a selected time into said master timer, said input arrangement for said master timer being located on a pendant separate and remote from said portable frame of said controller, said pendant being connected to said controller frame via an electricity conducting cable, a switch associated with each receptacle to permit a user to select a master timer control or an individual timer control for each receptacle. ### Claim 24 (depends on 23) A multiple receptacle controller according to claim 23, wherein said frame is wheeled. ### Claim 25 (depends on 23) A multiple receptacle controller according to claim 23, wherein said switch further permits a user to energize each associated receptacle regardless of the status of any timer associated with said receptacle. ### Claim 26 (depends on 23) A multiple receptacle controller according to claim 23, further including a timing circuit to measure a period of time following the termination of energization of the receptacle by the selected timer and an illumination display energized following the termination of said period of time. ### Claim 27 A heating system comprising: a controller configured to be connected to a source of electric current and having a plurality of cable plug receptacles, wherein said electric current connected to said controller is 480 volt three phase alternating current; a plurality of electricity conducting cables each having a cable plug at one end configured to be received in one of said receptacles and having a heater provided at an opposite end, wherein said heater comprises a bolt heater; a plurality of switches, configured and arranged such that at least some of said receptacles each have one of said switches associated therewith, which control the presence of current at said associated receptacle; a plurality of input arrangements, configured and arranged such that at least some of said switches each include one of said input arrangements associated therewith for a user to input a selected switch position to said associated switch; and a plurality of visual indicators, configured and arranged such that at least some of said receptacles each have one of said visual indicators associated therewith to display a status of said associated receptacle. ### Claim 28 (depends on 27) The heating system according to claim 27, wherein said electric current connected to said controller is alternating current. ### Claim 29 (depends on 27) The heating system according to claim 27, wherein said heater provided with said electricity conducting cable is a resistance heater. ### Claim 30 (depends on 27) The heating system according to claim 27, wherein at least some of said switches are manual selector switches that are each located adjacent an associated one of said receptacles, and which each include at least the following two switch position modes, which are selectable by the user: an off mode in which electricity is prevented from being supplied to said associated receptacle; and an on mode in which electricity is supplied to said associated receptacle. ### Claim 31 (depends on 30) The heating system according to claim 30, wherein at least some of said manual selector switches include a third mode defined as an automatic mode in which electricity is supplied to said associated receptacle only until a certain stop event takes place. ### Claim 32 (depends on 31) The heating system according to claim 31, wherein said stop event is a length of time on an associated timer running down to zero. ### Claim 33 (depends on 27) The heating system according to claim 27, wherein at least some of said visual indicators comprise a light for displaying the status of said associated receptacle. ### Claim 34 (depends on 27) The heating system according to claim 27, wherein said visual indicators are arranged adjacent to said associated receptacles. ### Claim 35 (depends on 27) The heating system according to claim 27, wherein said switches are arranged adjacent to said associated receptacles. ### Claim 36 (depends on 27) The heating system according to claim 27, wherein at least some of said input arrangements each comprise a rotary switch. ### Claim 37 (depends on 27) The heating system according to claim 27, wherein at least some of input arrangements each comprise a toggle switch. ### Claim 38 (depends on 27) The heating system according to claim 27, wherein at least some of said input arrangements each comprise a rocker switch. ### Claim 39 (depends on 27) The heating system according to claim 27, wherein at least some of said input arrangements each comprise a keypad. ### Claim 40 (depends on 27) The heating system according to claim 27, wherein at least some of said input arrangements each comprise a number pad. ### Claim 41 (depends on 27) The heating system according to claim 27, wherein: at least some of said switches each comprise a timer which energizes said associated receptacle during a selected time; and said input arrangement associated with each of said timers enables a user to input said selected time into said associated timer. ### Claim 42 (depends on 27) The heating system according to claim 27, wherein at least one of said plurality of switches is a timer. ### Claim 43 (depends on 27) The heating system according to claim 27, wherein said controller includes at least one transformer between said source of electric current and said plurality of receptacles.