Erich Hoffmann
27Patents
14h-index
24Co-inventors
81Inventor score
Filing activity: Mar 5, 1975 → Dec 28, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6951754B2 | DNA transfection system for the generation of infectious influenza virus | Chemistry; Metallurgy | 89 | Expired |
| US7312064B2 | DNA transfection system for the generation of infectious influenza virus | Chemistry; Metallurgy | 40 | Expired |
| US7972843B2 | DNA-transfection system for the generation of infectious influenza virus | Chemistry; Metallurgy | 38 | Active |
| US4427705A | Commestible package | Performing Operations; Transporting | 34 | Expired |
| US8574591B2 | Multi plasmid system for the production of influenza virus | Chemistry; Metallurgy | 30 | Active |
| US8309099B2 | DNA transfection system for the generation of negative strand RNA virus | Chemistry; Metallurgy | 29 | Active |
| US8114415B2 | Method for producing temperature sensitive influenza A viruses | Chemistry; Metallurgy | 29 | Active |
| US4339391A | Quaternary ammonium compounds | Chemistry; Metallurgy | 28 | Expired |
| US4888465A | Hot beverage machine with thick film electric heater | Human Necessities | 22 | Expired |
| US4888466A | Machine for making hot tea | Human Necessities | 22 | Expired |
| US5800707A | Water filter | Chemistry; Metallurgy | 22 | Expired |
| US4791862A | Electric toaster | Human Necessities | 20 | Expired |
| US4835363A | Electric steam iron heated by halogen lamp and having a ceramic sole plate | Electricity | 16 | Expired |
| US4888467A | Machine for making coffee and other hot beverages | Human Necessities | 16 | Expired |
| US7465456B2 | Multi plasmid system for the production of influenza virus | Chemistry; Metallurgy | 12 | Expired |
| US7871626B2 | Modified influenza virus for monitoring and improving vaccine efficiency | Physics | 12 | Active |
| US4765422A | Bathroom scale | Physics | 9 | Expired |
| US4960935A | Bisphenol derivatives, process for their manufacture, and their use as surfactants | Chemistry; Metallurgy | 4 | Expired |
| US4374322A | Apparatus for controlling the absorption of one or more color components in a dyeing fluid | Textiles; Paper | 3 | Expired |
| US4257769A | Use of quaternary ether amines as fiber processing agents | Textiles; Paper | 3 | Expired |
| US4073681A | Nuclear reactor shutdown system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9804479B2 | Image capturing system | Physics | 2 | Active |
| US8293247B2 | Modified influenza virus for monitoring and improving vaccine efficiency | Physics | 2 | Active |
| US9238825B2 | Multi plasmid system for the production of influenza virus | Chemistry; Metallurgy | 0 | Active |
| US8574592B2 | Modified influenza virus for monitoring and improving vaccine efficiency | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.