# US 11,999,609 B2 · Pulser shield > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,999,609 B2 - Document ID: US11999609B2 - Status: Granted - Kind: B2 - Application number: 17/976,978 - Filed: 2022-10-31 - Published: 2024-05-02 - Granted: 2024-06-04 - Earliest claimed: 2022-10-31 - Assignees: D&H United Fueling Solutions, Inc. - Applicants: D&H United Fueling Solutions, Inc. - Inventors: Doug Brown; Justin Young; Bolling Sasnett, III; William Reichhold - Web page: https://patentgrep.com/patent/US11999609B2 ## CPC - B67D 7/04: for transferring fuels, lubricants or mixed fuels and lubricants - B67D 7/34: Means for preventing unauthorised delivery of liquid - B67D 7/16: Arrangements of liquid meters - B67D 7/32: Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid - B67D 7/84: Casings, cabinets or frameworks; Trolleys or like movable supports - B67D: DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR (cleaning pipes or tubes or systems of pipes or tubes B08B9/02; emptying or filling of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for B67C; water supply E03; pipe systems F17D; domestic hot-water supply systems F24D; measuring volume, volume flow, mass flow or liquid level, metering by volume G01F; coin-freed or like apparatus G07F) ## Abstract A pulser protection device configured to be coupled to a fuel pump sandwiched between the pulser lines of the fuel. The pulser protection device comprises one uniform body with four substantially rectangular segments. The four substantially rectangular segments includes a first, a second, a third, and a fourth substantially rectangular segment. The second, third, and fourth substantially rectangular segments being bent orthogonally from the first substantially rectangular segment. The pulser device sized to be received between a plurality of pulsers of the fuel pump and if present a mailbox printer of the fuel pump. The method of attachment for pulser within the fuel pump is described herein. ## Claims ### Claim 1 A pulser protection device comprising: a uniform body, the uniform body being made from a single material; the uniform body including four substantially rectangular segments; the uniform body having a proximal end, a distal end, a superior end, and an inferior end; a first substantially rectangular segment of the four substantially rectangular segments having a second substantially rectangular segment inferior and continuous to the first substantially rectangular segment; the first substantially rectangular segment having a third substantially rectangular segment proximal to and continuous with the first substantially rectangular segment; the first substantially rectangular segment having a fourth substantially rectangular segment distal to and continuous with the first substantially rectangular segment; the third substantially rectangular segment being opposite the fourth substantially rectangular segment; and the third and the fourth substantially rectangular segments having at least one hole sized to receive a fastening element. ### Claim 2 (depends on 1) The pulser protection device of claim 1 wherein, the second substantially rectangular segment is bent orthogonally below an axis of the first substantially rectangular segment. ### Claim 3 (depends on 2) The pulser protection device of claim 2 wherein, the third and the fourth substantially rectangular segments is bent orthogonally above the axis of the first substantially rectangular segment. ### Claim 4 (depends on 3) The pulser protection device of claim 3 wherein, the third and the fourth substantially rectangular segments are parallel. ### Claim 5 (depends on 3) The pulser protection device of claim 3 wherein, the third and the fourth substantially rectangular segments are orthogonal the second substantially rectangular segment. ### Claim 6 (depends on 1) The pulser protection device of claim 1 wherein, the at least one hole includes two square punched holes on each of the third and the fourth substantially rectangular segments and is sized to receive the fastening element. ### Claim 7 (depends on 6) The pulser protection device of claim 6 wherein, the two square punched holes on each of the third and the fourth substantially rectangular segments are sized to receive a 0.25 inch −20×0.75 inch fastener. ### Claim 8 (depends on 1) The pulser protection device of claim 1 wherein, the first substantially rectangular segment is larger than the second, third, and fourth substantially rectangular segments. ### Claim 9 (depends on 1) The pulser protection device of claim 1 wherein, the third and the fourth substantially rectangular segments are the same size. ### Claim 10 (depends on 1) The pulser protection device of claim 1 wherein, the first substantially rectangular segment is 36.5 inches long and 3.5 inches wide, the second substantially rectangular segment is 34 inches long and 0.75 inches wide, and the third and the fourth substantially rectangular segment are 1.25 inches long and 3.5 inches wide. ### Claim 11 (depends on 1) The pulser protection device of claim 1 wherein, the first substantially rectangular segment is 36.5 inches long and 4 inches wide, the second substantially rectangular segment is 32 inches long and 1.75 inches wide, and the third and the fourth substantially rectangular segment are 1.25 inches long and 4 inches wide. ### Claim 12 (depends on 11) The pulser protection device of claim 11 wherein, the first substantially rectangular segment has a midpoint along the longitudinal axis, a superior side of the first substantially rectangular segment having a right angle cut-out at the midpoint of the first substantially rectangular segment, the right angle cut out being 4.25 inches wide along the superior side of the first substantially rectangular segment and 2.125 inches deep towards the midpoint of the first substantially rectangular segment. ### Claim 13 (depends on 1) The pulser protection device of claim 1 wherein, the uniform body is a metal. ### Claim 14 (depends on 1) The pulser protection device of claim 1 wherein, the first substantially rectangular segment is 36.5 inches long and 4 inches wide, the second substantially rectangular segment is 34 inches long and 0.75 inches wide, and the third and the fourth substantially rectangular segment are 1.25 inches long and 3.5 inches wide. ### Claim 15 (depends on 1) The pulser protection device of claim 1 wherein, the first substantially rectangular segment is 36.5 inches long and 4 inches wide, the second substantially rectangular segment is 32 inches long and 1.75 inches wide, and the third and the fourth substantially rectangular segment are 1.25 inches long and 4 inches wide. ### Claim 16 (depends on 15) The pulser protection device of claim 15 wherein, the first substantially rectangular segment has a midpoint along the longitudinal axis, a superior side of the first substantially rectangular segment having a right angle cut-out at the midpoint of the first substantially rectangular segment, the right angle cut out being 4.25 inches long along the superior side of the first substantially rectangular segment and 2.125 inches deep towards the midpoint of the first substantially rectangular segment. ### Claim 17 A pulser protection device comprising: a uniform body, the uniform body being made from a single material; the uniform body including four substantially rectangular segments; the uniform body having a proximal end, a distal end, a superior end, and an inferior end; a first substantially rectangular segment of the four substantially rectangular segments having a second substantially rectangular segment inferior and continuous to the first substantially rectangular segment; the second substantially rectangular segment being bent below an axis of the first substantially rectangular segment, and being orthogonal with the first substantially rectangular segment; the first substantially rectangular segment having a third substantially rectangular segment proximal to and continuous with the first substantially rectangular segment; the third and the fourth substantially rectangular segments being bent above and orthogonal to the axis of the first substantially rectangular segment, the third and the fourth substantially rectangular segments being orthogonal with the first substantially rectangular segment and orthogonal with the bent second substantially rectangular segment; the first substantially rectangular segment having a fourth substantially rectangular segment distal to and continuous with the first substantially rectangular segment; the third substantially rectangular segment being opposite the fourth substantially rectangular segment; and the third and the fourth substantially rectangular segments each having two square holes sized to receive a fastening element. ### Claim 18 (depends on 17) The pulser protection device of claim 17 wherein, the third and the fourth substantially rectangular segment are parallel and are sized to receive a 0.25 inch −20×0.75 inch fastener. ### Claim 19 (depends on 17) The pulser protection device of claim 17 wherein, the uniform body is a metal. ### Claim 20 A method of attaching a pulser protection device comprising: opening an at least one fuel pump dispenser door; removing the at least two side skins from the fuel pump; determining if a mailbox printer needs to be unmounted from the interior of the fuel pump; inserting the pulser protection device; the pulser protection device including: a uniform body, the uniform body being made from a single material; the uniform body including four substantially rectangular segments; the uniform body having a proximal end, a distal end, a superior end, and an inferior end; a first substantially rectangular segment of the four substantially rectangular segments having a second substantially rectangular segment inferior and continuous to the first substantially rectangular segment; the second substantially rectangular segment being bent below an axis of the first substantially rectangular segment, and being orthogonal with the first substantially rectangular segment; the first substantially rectangular segment having a third substantially rectangular segment proximal to and continuous with the first substantially rectangular segment; the third and the fourth substantially rectangular segments being bent above the axis of the first substantially rectangular segment, the third and the fourth substantially rectangular segments being orthogonal with the first substantially rectangular segment and orthogonal with he bent second substantially rectangular segment; the first substantially rectangular segment having a fourth substantially rectangular segment distal to and continuous with the first substantially rectangular segment; the third substantially rectangular segment being opposite the fourth substantially rectangular segment; and the third and the fourth substantially rectangular segments each having two square holes sized to receive a fastening element; marking holes in the position of where the four square holes are located along the side walls of the fuel pump; drilling at least four holes in the sides of the fuel pump from where the four holes were marked on the side the fuel pump; lining the holes from the third and the fourth substantially rectangular segments of the pulser protection device with the at least four hole in the sides of the fuel pump; fastening a fastening element through each of the holes of the third and the fourth substantially rectangular segments of the pulser protection device with the at least four holes in the sides of the fuel pump; remounting the mailbox printer if the mailbox printer was previously unmounted from the interior of the fuel pump; reattaching the side skins to each side of the fuel pump; and closing the at least one fuel pump dispenser door.