Patents

1989 · 39

• US4795537 Electrical conditioning system for electrodes in an electrolysis cell

  United States · Richard R. Timewell · H P G Research Ltd · 3 Jan 1989

• US4797185 Hydrogen separation and electricity generation using novel electrolyte membrane

  United States · Anthony J. Polak, Sandra Petty-Weeks and 1 more · 10 Jan 1989

• US4797186 Method and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical product

  United States · Alexander H. Levy, Kenneth Lipman and 1 more · 10 Jan 1989

• US4798444 Solar collection device

  United States · Bret L. McLean · 17 Jan 1989

• US4798861 Surface treatment of polymers

  United States · Ian M. Johnson, Ian M. Moody and 2 more · 17 Jan 1989

• US4801244 Device

  United States · Peter Stahl · Flygt AB · 31 Jan 1989

• US4803608 Rear lights for bicycles and other vehicles

  United States · Nigel J. R. Dashwood · Duracell Inc USA · 7 Feb 1989

• US4805984 Totally internally reflecting light conduit

  United States · Sanford Cobb, Jr. · Minnesota Mining and Manufacturing Co · 21 Feb 1989

• US4807584 Fuel tank heating system

  United States · Leland L. Davis · Davco Manufacturing LLC · 28 Feb 1989

• US4808286 Apparatus and method for maximizing production of heat, gas, and electricity through the acceleration of hydrogen dissociation

  United States · II J. F. Angelo · 28 Feb 1989

• US4813765 Device for changing directions of light rays

  United States · Masataka Negishi · 21 Mar 1989

• US4815433 Method of and device for controlling and/or regulating the idling speed of an internal combustion engine

  United States · Ernst Wild · Robert Bosch GmbH · 28 Mar 1989

• US4815443 Solar energy focusing assembly and storage unit

  United States · John J. Vrolyk, Charles T. Kudija, Jr. and 1 more · 28 Mar 1989

• US4818638 System for hydrogen thermal-electrochemical conversion

  United States · Prodyot Roy · General Electric Co · 4 Apr 1989

• US4820033 Solar mirror apparatus

  United States · Erwin Sick · Erwin Sick GmbH Optik Elektronik · 11 Apr 1989

• US4820395 Cell for continuous electrolytic deposition treatment of bars and the like

  United States · Sergio Angelini · 11 Apr 1989

• US4822469 Electrical power supply for an electrolytic gas generator

  United States · Mitsuzo Shimomura, Yoshiro Torii and 1 more · 18 Apr 1989

• US4828483 Method and apparatus for suppressing NOx formation in regenerative burners

  United States · Harry P. Finke · Bloom Engineering Co Inc · 9 May 1989

• US4828637 Method of applying painted carrier films to automobile body parts

  United States · Charles C. Mentzer, Howard W. Cox and 2 more · 9 May 1989

• US4830092 Heat enhancers and salt purifiers for thermal energy storage canister

  United States · William T. Lee · Rockwell International Corp · 16 May 1989

• US4832981 Method and apparatus for forming non-single crystal layer

  United States · Shunpei Yamazaki · Semiconductor Energy Laboratory Co Ltd · 23 May 1989

• US4840560 Heating stock in a heating chamber

  United States · John D. Waddington · British Gas PLC · 20 Jun 1989

• US4849799 Resonant tunneling transistor

  United States · Federico Capasso, Harry T. French and 5 more · 18 Jul 1989

• US4850424 Heat accumulator

  United States · Akio Mitani, Koji Kashima and 2 more · 25 Jul 1989

• US4850860 Radiant wall for heat exchangers, muffle kilns and similar equipment

  United States · Alberto Albonetti · 25 Jul 1989

• US4851664 Narrow band and wide angle hemispherical interference optical filter

  United States · Harry Rieger · US Department of Navy · 25 Jul 1989

• US4861347 Compact chemical reaction vessel

  United States · Donald F. Szydlowski, George T. Suljak and 1 more · 29 Aug 1989

• US4862581 Method of constructing a dynamoelectric machine

  United States · Neal B. Royer · Emerson Electric Co · 5 Sep 1989

• US4862836 Operation of an internal combustion engine with a pre-engine converter

  United States · Nai Yuen Chen, Thomas F. Degnan, Sr. and 1 more · 5 Sep 1989

• US4862859 Apparatus and operating method for an internal combustion engine

  United States · Henry Yunick · 5 Sep 1989

• US4866321 Brushless electrical machine for use as motor or generator

  United States · Hubert J. Blanchard, Cornelius J. Fruge and 2 more · 12 Sep 1989

• US4870947 Radiant tube burner

  United States · Masao Kawamoto · Nippon Furnace Co Ltd · 3 Oct 1989

• US4875988 Electrolytic cell

  United States · Pedro J. Aragon · 24 Oct 1989

• US4878540 Apparatus and process for pumping fluid from subterranean formations

  United States · William M. Raymond · 7 Nov 1989

• US4879011 Process for controlling a reaction by ultrasonic standing wave

  United States · Cornelius J. Schram · National Research Development Corp UK · 7 Nov 1989

• US4881372 Stirling engine

  United States · Yoshihiro Naito · Aisin Seiki Co Ltd · 21 Nov 1989

• US4881507 Fuel supply mechanism for an internal combustion engine

  United States · Frank J. San Filipo · 21 Nov 1989

• US4881593 Heat conducting device

  United States · Kenji Okayasu · 21 Nov 1989

• US4884531 Operation of an internal combustion engine with a pre-engine reformer

  United States · Thomas F. Degnan, Jr., Ralph M. Dessau and 1 more · 5 Dec 1989