patentgrep covers US grants from 1976 and applications from 2001, so older references may be missing. Family members we can’t link are not excluded.
11,579 earlier documents, closest ideas first
- US 4,328,462 AGranted 4 May 1982Erosion probe having inductance sensor for monitoring erosion of a turbomachine component
indicative of shell erosion; means encapsulating the sensor within the shell for isolating the sensor from the fluid flow; and means connected to said
Carrier Corporation
- US 4,114,442 AGranted 19 Sep 1978Temperature monitoring system
monitoring zones within the engine for measuring the temperature of said second temperature monitoring zones and for generating corresponding second
Avicon Development Group
- US 4,718,776 AGranted 12 Jan 1988Portable monitoring device and method
1. A miniaturized monitoring device capable of being positioned at a preselected monitoring area, including small and relatively otherwise
Ball Corporation
- US 4,389,124 AGranted 21 Jun 1983Device for monitoring selected operating conditions of combustion within a solid fossil fuel burning furnace
1. A device for monitoring a solid fossil fuel burning furnace having a discharge flue, comprising: means for monitoring and providing a signal
Bruce A. Longeneckerinventor
- US 4,165,277 AGranted 21 Aug 1979Article monitoring and reject apparatus
area; radiation sensing means at said monitoring area adjacent to an article when at said monitoring area to be monitored for defects, said radiation
Inex, Inc.
- US 3,968,482 AGranted 6 Jul 1976Pressure modulated alarm system
1. In an enclosure having at least one boundary region defining at least one bounded region, a monitoring system for detecting movement of, or
Mark Schumaninventor
- US 3,973,109 AGranted 3 Aug 1976Null monitoring system
monitoring means coupled to said combining means for monitoring said selected 90.degree. quadrants of said first, second, third and fourth combined
Sanitary Scale Company
- US 4,092,642 AGranted 30 May 1978Plural sensor monitoring and display device
1. In a monitoring device for monitoring the outputs of a plurality of sensors and displaying appropriate information, said device comprising: a
Delphic Limited
- US 4,263,652 AGranted 21 Apr 1981Oxygen sensor signal conditioner
test output signal indicative of the impedance of said oxygen sensor, said sensor impedance being a function of sensor temperature; monitoring
The Bendix Corporation
- US 4,215,336 AGranted 29 Jul 1980Apparatus and method for stabilization of a thermistor temperature sensor
comparing the sensor output signal with said offsetting signal and generating an output signal whenever the sensor output signal at least equals that
McNeil-Akron, Inc.
- US 3,990,063 AGranted 2 Nov 1976System for monitoring changes in the fluidic impedance or volume of an enclosure
than any of its boundary regions, a monitoring system for detecting a change in the fluidic impedance of at least one of said boundary regions or for
Mark Schumaninventor
- US 4,597,394 AGranted 1 Jul 1986Method for noninvasively monitoring mouth volume
monitoring the signal, changes in the signal being indicative of changes in mouth volume
Respitrace Corporation
- US 3,944,929 AGranted 16 Mar 1976Monitor for a receiver having means for specifying regions within discrimination domains of a signal space
the electrical characteristics of any of said predetermined regions to produce a monitor output signal indicative of the frequency at which the actual
Nippon Electric Co., Ltd.
- US 4,781,200 AGranted 1 Nov 1988Ambulatory non-invasive automatic fetal monitoring system
1. An ambulatory, non-invasive, automatic fetal monitoring system for use on a mother to continuously measure and analyze information indicative of
Donald A. Bakerinventor
- US 4,206,449 AGranted 3 Jun 1980Multiple sensor intrusion alarm system
thereof; a sensor coordinator; a two-conductor cable interconnecting each of the plurality of sensors with the sensor coordinator; the sensor
American District Telegraph Company
- US 4,677,308 AGranted 30 Jun 1987Switch status monitoring system, single wire bus, smart sensor arrangement therefor
operation of circuits within said switch sensor so as to receive a voltage signal indicative of a polling of each sensor so that each of said
Chrysler Motors Corporation
- US 4,549,504 AGranted 29 Oct 1985Electronic controller for regulating temperature within an internal combustion engine system
temperature indicating signal and one of said reference signals and for providing a first signal indicative of said first relationship; second
Evans Products Company
- US 4,797,655 AGranted 10 Jan 1989Detector system for monitoring a fluid containing tube
1. Apparatus for monitoring a fluid flow system including a tube through which fluid is intended to flow comprising mounting means for mounting said
Gambro AB
- US 3,968,691 AGranted 13 Jul 1976Environmental condition sensing apparatus
environmental sensed, and means connected to receive said timing signal and said binary coded word for providing a composite signal indicative of the
Lynes, Inc.
- US 4,393,878 AGranted 19 Jul 1983Pressure monitoring method and apparatus
1. Pressure monitoring apparatus comprising: (a) a fluid pressure pump supplying gas under pressure; (b) a pressure sensor including: (1) a cup shaped
Meadox Instruments, Inc.
- US 4,444,199 AGranted 24 Apr 1984Method and apparatus for monitoring physiological characteristics of a subject
1. A method of monitoring the phsiological characteristics of a subject by measuring changes in the streaming potential caused by the flow of
William A. Shafer
- US 4,203,096 AGranted 13 May 1980Sensor monitoring alarm system
bus line wherein each remote sensor unit comprises: means, responsive to a signal indicative of a sensed condition and control signals applied thereto
Mallinckrodt Inc.
- US 4,280,852 AGranted 28 Jul 1981Metal tube cleaning method
and a sensor element of a tube cleaning tool being rotated in the tube; utilizing any current variation signal in a path between said sensor element
Heyward O. Dunham, Harry K. Dunhaminventors
- US 4,389,694 AGranted 21 Jun 1983Cable continuity monitoring system
1. A conductor continuity monitoring system for monitoring the continuity of a plurality of cables, each of said cables extending from a common power
Pemco, Inc.