Thomas Pfeiffer
123Patents
15h-index
230Co-inventors
89Inventor score
Filing activity: Dec 8, 1981 → Apr 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5167989A | Process for coating surfaces made tacky beforehand | Electricity | 93 | Expired |
| US6417124B1 | Alkali-free aluminoborosilicate glass, and uses thereof | Chemistry; Metallurgy | 60 | Expired |
| US4435093A | Pyrometer with sighting window cleanliness monitor | Physics | 44 | Expired |
| US6163553A | Laser for generating an optical comb | Electricity | 33 | Expired |
| US6030972A | Dipeptide amidines as thrombin inhibitors | Chemistry; Metallurgy | 29 | Expired |
| US5735499A | Grip head | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5786913A | Optical TDMA ring network with a central transmitting and receiving device | Electricity | 27 | Expired |
| US5959766A | Optical amplifier device | Electricity | 22 | Expired |
| US5806821A | Positionable support head | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5110384A | Process for making electrically conductive patterns | Electricity | 21 | Expired |
| US5546414A | Mode-locked fiber ring laser | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5871185A | Equipment support stand | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5509951A | Process for fining oxide melts | Chemistry; Metallurgy | 16 | Expired |
| US6404528B1 | Receiver for an optical communications system and method for operating such a system | Electricity | 15 | Expired |
| US7770520B2 | Initiation device | Performing Operations; Transporting | 15 | Active |
| US4617638A | Method and system for determining mass temperature in a hostile environment | Physics | 15 | Expired |
| US6698244B1 | Method for refining molten glass | Chemistry; Metallurgy | 14 | Expired |
| US5489583A | 2-substituted 3-(4-amidinophenyl)propionic acid derivatives | Human Necessities | 14 | Expired |
| US5784506A | Frequency-encoded optical CDMA transmission system and optical receiver therefor | Electricity | 13 | Expired |
| US6011637A | Optical network unit and center of an optical communication network | Electricity | 13 | Expired |
| US6455671B1 | Thrombin inhibitors, the preparation and use thereof | Human Necessities | 12 | Expired |
| US6440937B1 | Dipeptide benzamidine as a kininogenase inhibitor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6769272B2 | Method and apparatus for oxygen refinement of a glass melt | Chemistry; Metallurgy | 12 | Expired |
| US6629437B1 | Method of improving the quality of glass | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8625987B2 | Monitoring method for a passive optical network | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.