Norbert Klein
23Patents
9h-index
42Co-inventors
75Inventor score
Filing activity: Oct 4, 1985 → Aug 27, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5370404A | Radial lip seal with interposed bearing | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US5509667A | Radial lip seal for a shaft in a housing | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6158547A | Process for manufacturing an absorption muffler | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5607652A | Biological and chemical decontamination chamber | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6533655B2 | Air vent for ventilation systems | Performing Operations; Transporting | 18 | Expired |
| US7004283B2 | Multiple-chambered exhaust muffler | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4697841A | Adhesive connection arrangement for a windshield held on a body of a motor vehicle | Performing Operations; Transporting | 13 | Expired |
| US7169959B2 | Unsaturated palm oil fatty alcohols | Chemistry; Metallurgy | 12 | Expired |
| US5506497A | Process and device for microwave surface resistance determination | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6892852B2 | Exhaust housing part of a motor vehicle, particularly for an exhaust muffler or an exhaust gas catalyst | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5649857A | Abrasive wheel | Performing Operations; Transporting | 8 | Expired |
| US8040132B2 | Method for identifying a sample in a container, e.g. when conducting a traveler survey in the check-in area, by determining the resonance frequency and the quality of a dielectric resonator to which the container is arranged | Physics | 6 | Active |
| US4698292A | Photopolymerizable recording roll material with end caps | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6484043B1 | Dual mode microwave band pass filter made of high quality resonators | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8562943B2 | Quality control methods for oil-in-water emulsions containing squalene | Emerging Cross-Sectional Technologies | 4 | Active |
| US6549104B1 | Tuneable cavity resonator | Electricity | 4 | Expired |
| US9744231B2 | Quality control methods for oil-in-water emulsions containing squalene | Emerging Cross-Sectional Technologies | 3 | Active |
| US7618465B2 | Near-field antenna | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7169749B1 | Method for producing alkyl-substituted butenols | Chemistry; Metallurgy | 1 | Expired |
| US7408087B2 | Process for making unsaturated coconut and/or palm nut fatty alcohols | Chemistry; Metallurgy | 0 | Expired |
| US8410792B2 | Resonator arrangement and method for analyzing a sample using the resonator arrangement | Electricity | 0 | Active |
| US6548717B1 | Process for making branched, substantially unsaturated fatty alcohols | Human Necessities | 0 | Expired |
| US5378136A | Apparatus for pre-shaping plasticated plastics material | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.