Inventor · Weinheim, DE

Franz-Josef Rohr

24Patents
10h-index
22Co-inventors
71Inventor score

Filing activity: Sep 4, 1974 → May 4, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US5171646A Fuel cell system including porous, panel type support and process for producing the same Emerging Cross-Sectional Technologies 56 Expired
US4996117A High temperature protective coating Emerging Cross-Sectional Technologies 48 Expired
US4018969A Electrochemical storage cell Emerging Cross-Sectional Technologies 39 Expired
US5192334A Method for mechanically connecting high-temperature fuel cells to a fuel cell support Emerging Cross-Sectional Technologies 28 Expired
US4636351A Arrangement for receiving and method for handling spent nuclear reactor fuel rods Emerging Cross-Sectional Technologies 23 Expired
US5093301A Catalyst and method for its manufacture Emerging Cross-Sectional Technologies 20 Expired
US4038462A Solid-electrolyte battery, particularly for the storage of electrical energy Emerging Cross-Sectional Technologies 17 Expired
US5063122A Fuel cell assembly comprising permanently combined fuel cells Emerging Cross-Sectional Technologies 16 Expired
US4763478A Method and device for driving a linearly movable component, especially the movable switch contact of an electric high-voltage circuit breaker Electricity 11 Expired
US4394222A Method for determining the oxygen content in gases, uninfluenced by temperature variations Physics 11 Expired
US5047388A Superconductor and method for its production Emerging Cross-Sectional Technologies 10 Expired
US5055440A Catalyst and method for its manufacture Emerging Cross-Sectional Technologies 10 Expired
US4032285A Method and apparatus for the automatic control of the air ratio of a combustion process Mechanical Engineering; Lighting; Heating 10 Expired
US4233142A Electrochemical measuring cell Physics 9 Expired
US4472247A Method for measuring the oxygen concentration in gas mixtures Physics 9 Expired
US4412904A Electrochemical measuring cell Physics 9 Expired
US4427622A Alignment tool for spacers of nuclear reactor fuel assemblies Emerging Cross-Sectional Technologies 9 Expired
US4368431A Electrochemical measuring device for determining the oxygen content in gases Physics 8 Expired
US4673544A Pushing device for sliding fuel rods out of a nuclear reactor fuel assembly Emerging Cross-Sectional Technologies 8 Expired
US4128469A Electrochemical sensor Mechanical Engineering; Lighting; Heating 3 Expired
US4127463A Probe for an electrochemical oxygen measurement pickup Physics 2 Expired
US4635427A Method for loading a container with rods of nuclear reactor fuel assemblies containing nuclear fuel or neutron absorber material, and device for performing the method Emerging Cross-Sectional Technologies 1 Expired
US3947606A Process for producing chemical compounds applicable to surfaces in the form of thin layers Chemistry; Metallurgy 1 Expired
US5128314A Fiber bundle and method for producing the same Emerging Cross-Sectional Technologies 0 Expired

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