Inventor · Herborn, DE

Armin Conrad

23Patents
8h-index
9Co-inventors
68Inventor score

Filing activity: Sep 14, 1990 → Aug 24, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5893702A Gas friction pump Mechanical Engineering; Lighting; Heating 62 Expired
US5733104A Vacuum pump system Mechanical Engineering; Lighting; Heating 44 Expired
US5707213A Molecular vacuum pump with a gas-cooled rotor Mechanical Engineering; Lighting; Heating 16 Expired
US5070264A Position sensor Electricity 16 Expired
US5547338A Friction pump with magnetic bearings disposed in the impeller Mechanical Engineering; Lighting; Heating 12 Expired
US6030181A Vacuum apparatus and a method of controlling a suction speed thereof Mechanical Engineering; Lighting; Heating 10 Expired
US5777414A Magnetic bearing arrangement for a rotor Mechanical Engineering; Lighting; Heating 9 Expired
US7033142B2 Vacuum pump system for light gases Mechanical Engineering; Lighting; Heating 8 Expired
US6368082B1 Vacuum pump with rotor supporting gas bearings Mechanical Engineering; Lighting; Heating 5 Expired
US6524060B2 Gas friction pump Mechanical Engineering; Lighting; Heating 4 Expired
US9887604B2 Apparatus for kinetic energy storage having a flywheel with pump-active surfaces Emerging Cross-Sectional Technologies 4 Active
US6464451B1 Vacuum pump Mechanical Engineering; Lighting; Heating 4 Expired
US7059828B2 Gas friction pump Mechanical Engineering; Lighting; Heating 3 Expired
US6638010B2 Gas friction pump Mechanical Engineering; Lighting; Heating 3 Expired
US7575372B2 Device for contactless measurement of rotor temperatures Physics 2 Active
US9410862B2 Device for measuring a pressure with at least one pressure sensor having at least one active sensor surface Physics 0 Active
US6540475B2 Gas friction pump Mechanical Engineering; Lighting; Heating 0 Expired
US9822799B2 Arrangement with a vacuum pump and method of compensating magnetic field produced by magnetic interference field of at least one vacuum pump component Mechanical Engineering; Lighting; Heating 0 Active
US10132339B2 Ionizing pump stage Electricity 0 Active
US6644912B2 Gas friction pump Mechanical Engineering; Lighting; Heating 0 Expired
US8398362B2 Turbomolecular pump Mechanical Engineering; Lighting; Heating 0 Active
US6991424B2 Gas friction pump Mechanical Engineering; Lighting; Heating 0 Expired
US10563648B2 Membrane vacuum pump Mechanical Engineering; Lighting; Heating 0 Active

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