1
John A Carlin: Reaction time and force feedback system. Dorr Carson Sloan & Peterson, August 9, 1988: US04763284 (153 worldwide citation)

An improved reaction time and force feedback system including a first portable housing for placement on the limb of a sporting participant for detecting the time and magnitude of force incurred by the limb during a sporting activity. A second portable housing is located on the body of the participan ...


2
John A Carlin: Stride evaluation system. Dorr Carson Sloan & Peterson, September 27, 1988: US04774679 (138 worldwide citation)

A system for displaying the occurrence and magnitude of stride forces produced by a sport participant in a sporting event having a first portable housing placed on the legs of the participant for sensing the stride force and a second portable housing located elsewhere on the body of the participant ...


3
Stephen L Bigelow, John A Carlin: Reaction time and applied force feedback. Robert C Dorr, August 13, 1985: US04534557 (92 worldwide citation)

A reaction time and applied force feedback training system for sports includes at least one sport training device, a stimulus indicator located near and associated with the sport training device for emanating a plurality of ready signals at random time intervals, a sensor in the sport training devic ...


4
John A Carlin, William G Mesch, William L Mobeck, Randall D Thompson, Jules B Henthorn, Benjamin L Lopez: Oil field lease management and security system and method therefor. Cypher Systems, Robert C Dorr, November 5, 1985: US04551719 (82 worldwide citation)

The oil field lease management and security system and method of the present invention for monitoring oil field equipment and for communicating with authorized operators. The system of the present invention includes a plurality of transducers connected to the equipment for sensing operational parame ...


5
John A Carlin: Force accumulating device for sporting protective gear. Dorr Carson Sloan & Peterson, August 9, 1988: US04763275 (73 worldwide citation)

A sensor capable of being adapted to sporting protective gear for sensing forces or vibrations encountered by the protective gear. The device senses the forces and delivers a signal proportional to the sensed force into a circuit for determining the accumulative force encountered by the protective g ...


6
Joseph J Siegal, John A Carlin: Athletic activities counter. Joseph Siegal, Dorr Carson Sloan & Peterson, October 13, 1987: US04700369 (42 worldwide citation)

This invention provides a highly portable device for counting athletic activities of a repetitive nature, e.g., pool laps swum, track laps run, pushups, situps, etc. The device has a mat-like body flexible enough to be rolled up and carried in a handbag. It is comprised of: (1) a watertight upper se ...


7
John A Carlin, William L Mobeck, Dale H Boyd: Leak detector. ProEco, Dorr Carson Sloan & Peterson, October 20, 1992: US05156042 (39 worldwide citation)

Apparatus for detecting leaks in fuel storage tanks. A float suspended in the tank liquid determines liquid levels and transmits the liquid level information via an infrared beam to a probe processor in the upper portion of the tank. The probe processor stores a plurality of level indications for su ...


8
John A Carlin, William G Mesch, Randall D Thompson, Steven A Beard, Tracy R Stephens: Storage tank level monitoring apparatus and method therefor. Cypher Systems, Robert C Dorr, December 11, 1984: US04487065 (36 worldwide citation)

A storage tank level monitoring apparatus and method for determining fluid levels in a storage tank. The apparatus of the present invention includes a magnet coated with rubber for holding a pivotally mounted housing to the interior of the storage tank and an ultrasonic transducer contained within t ...


9
John A Carlin, Robert B Guberud, William L Mobeck: Leak detector. TankTech, Dorr Carson Sloan & Peterson, July 25, 1989: US04850223 (25 worldwide citation)

Apparatus for detecting leaks in fuel storage tanks. A float suspended in the tank liquid determines liquid levels and transmits the liquid level information via an infrared beam to a probe processor in the upper port of the tank. The probe processor stores a plurality of level indications for subse ...


10
John A Carlin, James L Wolf: Method and apparatus for leak detection with float excitation and self-calibration. ProEco, Dorr Carson Sloan & Peterson, June 6, 1995: US05421193 (23 worldwide citation)

A leak detector including a float having a number of magnets connected to the float. Electromagnetic coils are disposed along a length of the possible range of travel of the float within the leak detector. The coils, when energized, interact with the magnet making the float move-about and settle to ...