1
Jack E Bridges, George T Dubiel: Power sources for downhole electrical heating. Uentech Corporation, Kinzer Plyer Dorn McEachran & Jambor, March 31, 1992: US05099918 (273 worldwide citation)

Electrical power sources and systems for heating in or adjacent to an oil well or other mineral well, or for heating other earth media, each comprising an A.C. heating generator that generates an A.C. heating current at a selected heating frequency substantially different from the conventional 50/60 ...


2
Steven A Burke, Cao Z Liang, Ernest L Hall: Guiding an unmanned vehicle by reference to overhead features. Tennant Company, Kinzer Plyer Dorn McEachran & Jambor, October 13, 1992: US05155684 (224 worldwide citation)

A vehicle primarily for unmanned operation is equipped with a video camera pointed up, and progressively records in an on-board computer memory the observed locations of points derived from overhead features such as pre-existing overhead lights in a building during a manually driven teaching mode tr ...


3
Jack E Bridges, Vincent Young: Heating system for rathole oil well. ORS Development Corporation, Kinzer Plyer Dorn McEachran & Jambor, April 18, 1989: US04821798 (170 worldwide citation)

An electrical heating system for an oil well of the kind comprising a well bore extending through and below an oil producing formation to afford a rathole of substantial depth, the well including an electrically conductive first casing section from the earth surface down through the overburden, an e ...


4
Michael L Blehert, William J Sampson: Combined sweeper and scrubber. Tennant Company, Kinzer Plyer Dorn McEachran & Jambor, March 10, 1992: US05093955 (168 worldwide citation)

A combination floor sweeping and scrubbing machine is as compact and maneuverable as an equivalent machine which only sweeps or scrubs, while retaining typical hopper and tank volumes. Its operator can change it from sweeping to scrubbing or vice versa at any time by moving a few controls and withou ...


5
Joseph J Pilolla: Spray head for automatic actuation. Sloan Valve Company, Kinzer Plyer Dorn McEachran & Jambor, March 12, 1991: US04998673 (168 worldwide citation)

A water spray head for a shower or sink includes means for emitting and receiving signals for automatic operation in response to the presence of a user. The means are positioned such that the stream of water surrounds the emitting and receiving means. The emitting and receiving means includes condui ...


6
John R Wilson: Automatic faucet. Sloan Valve Company, Kinzer Plyer Dorn McEachran & Jambor, June 25, 1991: US05025516 (153 worldwide citation)

A faucet for automatic operation defining a base and an elongated cantilvered spout body provided with a discharge outlet. A sensing means for automatic operation in the form of an emitter and detector are mounted on the spout body intermediate the base and discharge outlet. The emitter and detector ...


7
Robert D Hennessey, Timothy G La Rocque: Hopper and filter chamber for direct forward throw sweeper. Tennant Company, Kinzer Plyer Dorn McEachran & Jambor, April 19, 1994: US05303448 (148 worldwide citation)

In a direct forward throw sweeper, improvements related to a door for closing the opening into the hopper permit backing away from a debris receptacle with the hopper door open after dumping a load of debris without damage to the machine. An attachment part is provided for connecting a vacuum pickup ...


8
Jack E Bridges, Joseph O Enk, Homer L Spencer, Vincent R Young: Method and apparatus for forming an insulated oil well casing. ORS Development Corporation, Kinzer Plyer Dorn McEachran & Jambor, December 27, 1988: US04793409 (128 worldwide citation)

A method and apparatus for forming an electrically conductive externally insulated casing for an oil well of the type in which the casing carries electrical current to a primary heating electrode positioned downhole, using multiple prefabricated casing segments; each casing segment is a long steel p ...


9
Bruce F Field, Joseph G Kasper: Automated guided vehicle. Tennant Company, Kinzer Plyer Dorn McEachran & Jambor, February 26, 1991: US04996468 (115 worldwide citation)

An unmanned, self-propelled vehicle in the nature of a mobile robot has an on-board computer that stores path and machine function instructions and activates the drive and steering systems so as to cause the machine to follow a desired path. A plurality of retroreflective targets are mounted along t ...


10
John E Hoots, Barry E Hunt: Fluorescent tracers - chemical treatment monitors. Nalco Chemical Company, Kinzer Plyer Dorn McEachran & Jambor, November 8, 1988: US04783314 (114 worldwide citation)

A method to determine performance of a treating agent (CA) added to a system body of liquid to enhance performance of the liquid body is determined by employing an inert fluorescent tracer (T) in a known T:CA dosage proportion, prepared on the basis of a concentration of CA (e.g. ppm) proposed for o ...



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