Patents

1998 · 38

• US5850866A Heat treatment of metal castings and in-furnace sand reclamation

  United States · 22 Dec 1998 · indexed, no text held

• US5844341A Electromagnetic machine with at least one pair of concentric rings having modularized magnets and yokes

  United States · Edward Spooner · Alan Charles Williamson · 1 Dec 1998

• US5833922A Apparatus and method for processing medical waste

  United States · 10 Nov 1998 · indexed, no text held

• US5830419A Apparatus and method for processing medical waste

  United States · 3 Nov 1998 · indexed, no text held

• US5826548A Power generation without harmful emissions

  United States · 27 Oct 1998 · indexed, no text held

• US5824834A Process for the production of acetylene and synthesis gas

  United States · 20 Oct 1998 · indexed, no text held

• US5806490A Fuel control system for a gaseous fuel internal combustion engine with improved fuel metering and mixing means

  United States · 15 Sep 1998 · indexed, no text held

• US5806955A TIR lens for waveguide injection

  United States · William A. Parkyn, Jr. · David G. Pelka · 15 Sep 1998

• US5802623A Electronic air deodorizer and method of using same

  United States · 8 Sep 1998 · indexed, no text held

• US5804065A Control apparatus for marine animals

  United States · 8 Sep 1998 · indexed, no text held

• US5804689A Process for recovering acetylene from hydrocarbons by thermal cracking

  United States · 8 Sep 1998 · indexed, no text held

• US5798517A Sun tracker system for a solar assembly

  United States · 25 Aug 1998 · indexed, no text held

• US5788357A Mirror assembly

  United States · 4 Aug 1998 · indexed, no text held

• US5785404A Localized illumination device

  United States · 28 Jul 1998 · indexed, no text held

• US5775792A Localized illumination using TIR technology

  United States · 7 Jul 1998 · indexed, no text held

• US5776529A Continuous flow electrical treatment of flowable food products

  United States · 7 Jul 1998 · indexed, no text held

• US5771857A Direct injected gas engine with variable gas pressure control apparatus and method of operation

  United States · 30 Jun 1998 · indexed, no text held

• US5772792A Solar generator

  United States · Johann Zimmermann · 30 Jun 1998

• US5769010A Furnace including localized incineration of effluents

  United States · 23 Jun 1998 · indexed, no text held

• US5769058A Compressor and engine system

  United States · 23 Jun 1998 · indexed, no text held

• US5771336A Electrically stable methods and apparatus for continuously electroheating food

  United States · 23 Jun 1998 · indexed, no text held

• US5765389A Cooling unit with integral thermal energy storage

  United States · 16 Jun 1998 · indexed, no text held

• US5768472A Apparatus and methods for rapid electroheating and cooling

  United States · 16 Jun 1998 · indexed, no text held

• US5758015A Methods and apparatus for electroheating food employing concentric electrodes

  United States · 26 May 1998 · indexed, no text held

• US5753383A Hybrid self-contained heating and electrical power supply process incorporating a hydrogen fuel cell, a thermoelectric generator and a catalytic burner

  United States · Joseph Cargnelli, Pierre Rivard and 1 more · 19 May 1998

• US5750015A Method and device for moving molecules by the application of a plurality of electrical fields

  United States · 12 May 1998 · indexed, no text held

• US5741539A Shelf-stable liquid egg

  United States · 21 Apr 1998 · indexed, no text held

• US5738162A Terraced fluidized bed

  United States · 14 Apr 1998 · indexed, no text held

• US5735245A Method and apparatus for controlling fuel/air mixture in a lean burn engine

  United States · 7 Apr 1998 · indexed, no text held

• US5732672A Lubricant supply for internal combustion engine

  United States · 31 Mar 1998 · indexed, no text held

• US5733422A High-pressure gas producing electrolysis tank

  United States · 31 Mar 1998 · indexed, no text held

• US5734202A Method and apparatus for generating electricity utilizing a forced recirculating air tunnel

  United States · 31 Mar 1998 · indexed, no text held

• US5731008A Electrically hydrolyzed salines as microbicides

  United States · 24 Mar 1998 · indexed, no text held

• US5727585A Device for obtaining energy from sunlight with at least one solar collector

  United States · 17 Mar 1998 · indexed, no text held

• US5724948A Biogas driven generator set

  United States · 10 Mar 1998 · indexed, no text held

• US5720543A Portable flashlight

  United States · 24 Feb 1998 · indexed, no text held

• US5721795A High efficiency ejection of light from optical wave guide, by holographically produced light scattering means

  United States · David G. Pelka · 24 Feb 1998

• US5709842A Apparatus and method for processing medical waste

  United States · 20 Jan 1998 · indexed, no text held