Inventor · Erkrath, DE

Bertram Böhringer

34Patents
6h-index
41Co-inventors
69Inventor score

Filing activity: Sep 9, 1994 → Jul 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5684116A Titanium dioxide/silicon dioxide coprecipitates and titanium dioxide/zirconium dioxide coprecipitates as polycondensation catalysts for polyesters and copolyesters Chemistry; Metallurgy 30 Expired
US7160369B2 Adsorption filter material with high adsorption capacity and low breakthrough behavior Emerging Cross-Sectional Technologies 21 Expired
US7132007B1 Air filter unit with several filter elements Performing Operations; Transporting 20 Expired
US7737083B2 High performance adsorbents based on activated carbon of high microporosity Emerging Cross-Sectional Technologies 16 Active
US5565522A Polyester fiber and process for the production thereof Chemistry; Metallurgy 11 Expired
US9440219B2 Filter materials for treating and purifying gas Performing Operations; Transporting 7 Active
US7811083B2 Rotary tubular kiln useful for the production of activated carbon and having a modified geometry of the rotary tube Mechanical Engineering; Lighting; Heating 6 Active
US8366816B2 Adsorption filter material with integrated particle- and/or aerosolfiltering function and its use Performing Operations; Transporting 6 Active
US7572322B2 Plasma-treated textile surfaces for adsorption filter materials Emerging Cross-Sectional Technologies 6 Expired
US6706413B2 Non-porous, breathable membrane containing polyamide-4,6 Emerging Cross-Sectional Technologies 4 Expired
US9566575B2 Activated carbon with a special finishing, production and use thereof Emerging Cross-Sectional Technologies 4 Active
US7670968B2 Functional textile material provided with microcapsules containing an active ingredient and use thereof Emerging Cross-Sectional Technologies 3 Active
US7700501B2 Adsorptive filtering material having biological and chemical protective function and use thereof Emerging Cross-Sectional Technologies 3 Active
US7877819B2 NBC-protective clothing with an improved air-exchange function Emerging Cross-Sectional Technologies 3 Active
US8266726B2 Adsorption filter material, particularly for producing ABC protective clothing having improved wearing physiology Emerging Cross-Sectional Technologies 3 Active
US9642394B2 Porous carbon and methods of production thereof Performing Operations; Transporting 2 Active
US9409162B2 Activated carbon with a metal based component Chemistry; Metallurgy 2 Active
US10125403B2 Method and plant for producing iron from roasted pyrites Emerging Cross-Sectional Technologies 2 Active
US11141711B2 Textile protective material of a new type and method for producing same Textiles; Paper 1 Active
US8016926B2 Plasma-treated textile surfaces for adsorption filter materials Emerging Cross-Sectional Technologies 1 Active
US8709970B2 Adsorptive molded parts and the use thereof Emerging Cross-Sectional Technologies 1 Active
US10155357B2 Textile material having increased mechanical strength, in particular having increased resistance to piercing or shooting Emerging Cross-Sectional Technologies 1 Active
US11371807B2 Protective material having a protection function against fragments, stabbing, cutting, firearms and/or shocks Fixed Constructions 1 Active
US11607668B2 Air-permeable sheet filter material, methods for the production and use thereof Performing Operations; Transporting 1 Active
US7759274B1 Support material comprising catalytically active polymer particles Performing Operations; Transporting 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.