Friedrich Behr
24Patents
9h-index
39Co-inventors
75Inventor score
Filing activity: Sep 20, 1976 → May 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4496373A | Diffusion membrane and process for separating hydrogen from gas mixture | Chemistry; Metallurgy | 46 | Expired |
| US6428905B1 | Double sheet metal consisting of two covering metal sheets and an intermediate layer | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6673468B1 | Composite material made of two steel cover sheets resistance-welded together and an intermediate layer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4859338A | Filter for small particles | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7248940B2 | Method and device for the robot-controlled cutting of workpieces to be assembled by means of laser radiation | Performing Operations; Transporting | 11 | Expired |
| US4235863A | Method of and cell for generating hydrogen | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4059496A | Process for the preparation of sulfuric acid from sulphur dioxide | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4274938A | Apparatus for the production of hydrogen and oxygen | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6536254B1 | Method and device for producing a metal strip for tailored blanks to be cut to length | Performing Operations; Transporting | 9 | Expired |
| US6065266A | Light structural metal plate in the form of a hump plate and process for its production | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4781734A | Non-porous hydrogen diffusion membrane and utilization thereof | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4863895A | Honeycomb body as catalyst support for cleaning the exhaust of internal combustion engines | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4969960A | Method for increasing the resistance to thermal shocks in heating conductor materials | Chemistry; Metallurgy | 6 | Expired |
| US6563083B2 | Laser robot for workpiece machining and method for workpiece machining with a laser robot | Performing Operations; Transporting | 5 | Expired |
| US4766948A | Process for casting aluminum alloys | Performing Operations; Transporting | 4 | Expired |
| US4056607A | Thermochemical process for the production of hydrogen and oxygen from water | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6063507A | Double-layered sheet metal; process for its production and use of such double-layered sheet metal | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4117102A | Thermochemical process for producing methane and oxygen from carbon oxides and water | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6656305B1 | Method for producing a stove-enameled molded component | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5953949A | Method and apparatus for producing a metal strip having areas of different thickness over its width | Performing Operations; Transporting | 2 | Expired |
| US4798631A | Metallic semi-finished product, processes for its preparation and its use | Chemistry; Metallurgy | 2 | Expired |
| US7176408B2 | Method for laser-cutting structural components to be joined | Performing Operations; Transporting | 1 | Expired |
| US4085200A | Thermochemical process for producing methane and oxygen | Chemistry; Metallurgy | 1 | Expired |
| US4919863A | Filter for small particles | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.