Heinz Hoffmann
13Patents
7h-index
29Co-inventors
66Inventor score
Filing activity: Aug 28, 1974 → Jul 21, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4242912A | Method and apparatus for producing cross-sectional images using ultrasound | Physics | 34 | Expired |
| US5318367A | Pivotable keyboard arrangement | Electricity | 32 | Expired |
| US3974475A | Method of and apparatus for focusing ultrasonic waves in a focal line | Electricity | 29 | Expired |
| US6477794B1 | Planing device mounted on machines for processing ice | Fixed Constructions | 20 | Expired |
| US5276248A | Process for the storage and transportation of liquid hydrocarbons | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4079352A | Echo sounding technique | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4988474A | Process and holding component for repair of a nuclear fuel assembly damaged at the periphery of a spacer support | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7341623B2 | Substance mixture and a method for introducing at least one particulate active ingredient component into a liquid aqueous system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4069467A | Suppression of out-of-focus echoes in ultrasonic scanning | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6482876B1 | Agglomerates for the production of an aqueous binder system | Chemistry; Metallurgy | 5 | Expired |
| US5252257A | Water-containing concentrate of at least one alkyl- or alkenyl-substituted ammonium compound | Textiles; Paper | 3 | Expired |
| US4705860A | Quaternary ammonium salts and their use as drag reducing agents | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7550019B2 | Fuel oil additives and additized fuel oils having improved cold properties | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.