Patents

1997 · 33

• US5692458A Method and system for oxidation of volatile organic compounds using an internal combustion engine

  United States · 2 Dec 1997 · indexed, no text held

• US5676453A Collimating TIR lens devices employing fluorescent light sources

  United States · William A. Parkyn, Jr. · David G. Pelka · 14 Oct 1997

• US5677972A High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure

  United States · John M. Popovich · 14 Oct 1997

• US5674537A Electrolyzed saline solution containing concentrated amounts of ozone and chlorine species

  United States · 7 Oct 1997 · indexed, no text held

• US5670198A Method for rapidly cooling liquid egg

  United States · 23 Sep 1997 · indexed, no text held

• US5666923A Hydrogen enriched natural gas as a motor fuel with variable air fuel ratio and fuel mixture ratio control

  United States · Robert Kirk Collier, Jr., Robert Louis Hoekstra and 2 more · 16 Sep 1997

• US5666222A Optical viewing device

  United States · 9 Sep 1997 · indexed, no text held

• US5662031A Continuous flow electrical treatment of flowable food products

  United States · 2 Sep 1997 · indexed, no text held

• US5660602A Hydrogen enriched natural gas as a clean motor fuel

  United States · Robert Kirk Collier, Jr., Robert Louis Hoekstra and 2 more · 26 Aug 1997

• US5661839A Light guide employing multilayer optical film

  United States · 26 Aug 1997 · indexed, no text held

• US5658448A Production of hydrogen from solar radiation at high efficiency

  United States · 19 Aug 1997 · indexed, no text held

• US5655505A Apparatus and method for improving fuel efficiency of gasoline engines

  United States · 12 Aug 1997 · indexed, no text held

• US5655832A Multiple wavelength light processor

  United States · David G. Pelka · William A. Parkyn, Jr. · 12 Aug 1997

• US5653052A Method for immobilizing or killing swimming larvae in a mass of fresh water, and an electric trap for practicing such a method

  United States · 5 Aug 1997 · indexed, no text held

• US5650875A Light transmitting panels, and methods for adjusting the natural lighting quantity and range using any of the light transmitting panels

  United States · 22 Jul 1997 · indexed, no text held

• US5647312A Four-stroke Otto engine having hybrid control

  United States · 15 Jul 1997 · indexed, no text held

• US5648293A Method of growing an amorphous silicon film

  United States · 15 Jul 1997 · indexed, no text held

• US5645702A Low voltage miniaturized column analytical apparatus and method

  United States · 8 Jul 1997 · indexed, no text held

• US5644438A Optical device for viewing into restricted areas

  United States · 1 Jul 1997 · indexed, no text held

• US5641423A Radio frequency heating apparatus for rendering medical materials

  United States · 24 Jun 1997 · indexed, no text held

• US5640214A Printer and display systems with bidirectional light collection structures

  United States · 17 Jun 1997 · indexed, no text held

• US5636980A Burner apparatus

  United States · 10 Jun 1997 · indexed, no text held

• US5636317A Electroheating apparatus and methods

  United States · 3 Jun 1997 · indexed, no text held

• US5632870A Energy generation apparatus

  United States · Yan R. Kucherov · 27 May 1997

• US5630360A Apparatus for electroheating food employing concentric electrodes

  United States · 20 May 1997 · indexed, no text held

• US5622848A Electrically hydrolyzed salines as microbiocides for in vitro treatment of contaminated fluids containing blood

  United States · 22 Apr 1997 · indexed, no text held

• US5614069A Apparatus for producing electrolytically and collecting separately two gases

  United States · 25 Mar 1997 · indexed, no text held

• US5612753A Full-color projection display system using two light modulators

  United States · 18 Mar 1997 · indexed, no text held

• US5609900A Electroheating of food products using low frequency current

  United States · 11 Mar 1997 · indexed, no text held

• US5607613A Electroheating of food products using low frequency current

  United States · 4 Mar 1997 · indexed, no text held

• US5604607A Light concentrator system

  United States · Alexander D. Mirzaoff · 18 Feb 1997

• US5600124A Sun tracker system for a solar assembly

  United States · 4 Feb 1997 · indexed, no text held

• US5597301A Burner emission device

  United States · 28 Jan 1997 · indexed, no text held