| BIROX Keller Corporation, The
75932388 01 Mar 2000 | on 24 Oct 2002 | Systems, comprising, a compressor and an expander for the compression ... Class 007 Class 007 Machinery Products Systems, comprising, a compressor and an expander for the compression and expansion of oxygen enriched air for increasing the efficiency and energy production of fuel cell electric power generation systems which provide an oxygen enriched atmosphere for an enclosed habitat space | | | EOS Keller Corporation, The
75933491 01 Mar 2000 | on 09 Jul 2002 | Computer controlled mechanical apparatus for controlling and increasin... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Computer controlled mechanical apparatus for controlling and increasing oxygen concentration levels in habitable structures, such as homes, offices, hospitals, nursing homes, factories and other work places | | | BIROTOR Keller Corporation, The
75932389 01 Mar 2000 | on 07 May 2001 | MECHANICAL DEVICE USED AS A LIQUID PUMP AND/OR AIR OR GAS COMPRESSOR O... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products MECHANICAL DEVICE USED AS A LIQUID PUMP AND/OR AIR OR GAS COMPRESSOR OR EXPANDER | | | THE KELLER CORP K KELLER CORPORATION, THE
73048802 07 Apr 1975 | on 14 Apr 1997 | BRICK AND CERAMIC MANUFACTURING MACHINERY; INSTALLATIONS FOR MANUFACTU... Class 007 Class 007 Machinery Products BRICK AND CERAMIC MANUFACTURING MACHINERY; INSTALLATIONS FOR MANUFACTURING BRICK OR CERAMICS; LOADING AND UNLOADING MACHINERY; CONVEYORS; DRYING MACHINES; CONCRETE MACHINERY; INSTALLATIONS FOR AUTOMATICALLY MANUFACTURING CERAMICS; PACKAGING MACHINERY; AND WOODWORKING MACHINERY | | | K KELLER CORPORATION, THE
73048803 07 Apr 1975 | on 17 Mar 1997 | BRICK AND CERAMIC MANUFACTURING MACHINERY; INSTALLATIONS FOR MANUFACTU... Class 007 Class 007 Machinery Products BRICK AND CERAMIC MANUFACTURING MACHINERY; INSTALLATIONS FOR MANUFACTURING BRICK OR CERAMICS; LOADING AND UNLOADING MACHINERY; CONVEYORS; DRYING MACHINES; CONCRETE MACHINERY; INSTALLATIONS FOR AUTOMATICALLY MANUFACTURING CERAMICS; PACKAGING MACHINERY; AND WOODWORKING MACHINERY | | | METHACOAL KELLER CORPORATION, THE
73064208 26 Sep 1975 | on 13 Jan 1997 | AN ADMIXTURE OF COMBUSTIBLE CARBONACEOUS PARTICLES-NAMELY, COAL PARTIC... Class 004 Class 004 Lubricant and Fuel Products AN ADMIXTURE OF COMBUSTIBLE CARBONACEOUS PARTICLES-NAMELY, COAL PARTICLES IN METHYL FUEL-NAMELY, A SOLUTION OF AT LEAST METHYL ALCOHOL, WITH OR WITHOUT OTHER LOW MOLECULAR WEIGHT ALCOHOLS, WATER, AND OTHER ALCOHOL SOLUBLE CONSTITUENTS OF THE COAL | | | ETHACOAL Keller Corporation, The
73246521 17 Jan 1980 | on 17 Jul 1984 | an Admixture of Combustible Carbonaceous Particles-Namely, Coal Partic... Class 004 Class 004 Lubricant and Fuel Products an Admixture of Combustible Carbonaceous Particles-Namely, Coal Particles, in Ethyl Alcohol or a Mixture of Alcohols Predominately Ethanol, With or Without Other Low Molecular Weight Alcohols, Water and Other Alcohol Soluble Constituents of the Coal Used Primarily as a Fuel | | 
