1
Brack G Hattler, Ronnie D Richards, William J Horgan: Venous catheter having collapsible multi-lumens. Brack Gillium Hattler, Robert C Dorr, September 27, 1983: US04406656 (385 worldwide citation)

A venous catheter having a central flexible lumen with a formed fluid passageway therein and a plurality of collapsible lumens mounted around the periphery of the central flexible lumen also having formed fluid passageways therein. The central flexible lumen being formed of material which is capable ...


2
Edward L Hauck: Data compression using run length encoding and statistical encoding. Intelligent Storage, Robert C Dorr, December 2, 1986: US04626829 (183 worldwide citation)

A compression device which uses both run length encoding and statistical encoding. The run length encoding scheme uses a flag byte symbol which is disposed between a character signal and a run length symbol. The statistical encoding process uses multiple statistical encoding tables which are selecte ...


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
Filip L Sokol: Nestable unitized shelving system. Robert C Dorr, April 21, 1981: US04262605 (39 worldwide citation)

A shelving system having a first series of nestable shelving units and a second series of nestable shelving units. All units in the first series are nestable one within the other and all units in the second series are nestable one within the other. When both unitized series are fully nested, the sec ...


6
Carl L Kober, H David Procter Gregg: Passive geophysical prospection system based upon the detection of the vertical electric field component of telluric currents and method therefor. Denver Mineral Exploration, Robert C Dorr, August 11, 1987: US04686475 (37 worldwide citation)

An improved passive telluric current system for geophysical prospecting having a sensor responsive to the electric field component of the telluric current for producing a capacitive charge, a tuner for deconvoluting the sensed electric field telluric signal, and a cross-over circuit for generating a ...


7
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 ...


8
Donald W Busby: Button assembly for rotary rock cutters. Robert C Dorr, July 13, 1982: US04339009 (36 worldwide citation)

A button assembly for a rotary rock cutter utilized in the penetration of rock strata, especially subterranean strata, having a highly abrasion resistant insert, such as tungsten carbide. The insert is supported by a button having a high abrasion resistance and a transverse significantly higher rupt ...


9
Roy R Cisneros: Portable exercise case containing barbells or the like. Robert C Dorr, February 14, 1984: US04431185 (35 worldwide citation)

A portable exercise case having a weight provided with a hole therethrough, a receptacle for containing the weight, the receptacle having a container having an open section and a lid adapted to be removably attached over the open section of the container, a rod mounted on and extending through the r ...


10
Jan C Hoigaard: Electrostatic system monitor and method therefor. Spectrascan, Robert C Dorr, March 10, 1987: US04649374 (35 worldwide citation)

An electrostatic system monitor and method for monitoring the operation of static control equipment such as conductive workbench and floor mats, conductive wrist straps, and the integrity of ground connections and soldering irons and to activate indicators and alarms when the static control equipmen ...