Gerhard Schwarz
54Patents
11h-index
49Co-inventors
78Inventor score
Filing activity: Sep 8, 1975 → Feb 13, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4376263A | Battery charging circuit | Electricity | 132 | Expired |
| US5313828A | Multi-component measuring disc wheel | Physics | 28 | Expired |
| US5472763A | Recyclable carpet floor covering | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5318903A | Production of enzyme preparations comprising an enzyme and finely divided hydrophobic silica | Chemistry; Metallurgy | 23 | Expired |
| US7537472B1 | Electric plug connector | Electricity | 19 | Expired |
| US4523139A | Electronic switching power supply | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5486398A | Low flammability carpet floor covering | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4202557A | Drilling device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5308136A | Sun visor for motor-powered vehicles | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4193538A | Apparatus for separating and measuring sample components | Performing Operations; Transporting | 14 | Expired |
| US4199247A | Photographic diaphragm with two independent sets of leaves | Physics | 12 | Expired |
| US4763061A | Primary switched-mode DC-DC converter with summed input current and input voltage responsive control | Electricity | 11 | Expired |
| US4441147A | Circuit arrangement for the controlled supply to a load | Electricity | 10 | Expired |
| US4130358A | Photographic camera with interchangeable lens | Physics | 9 | Expired |
| US4706009A | Electronic switching power supply | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4546304A | Electronic device with choke inverter | Electricity | 9 | Expired |
| US7794252B2 | Explosion-proof connector including a socket part and a plug part | Electricity | 8 | Active |
| US8134088B2 | Threaded cable gland | Electricity | 8 | Active |
| US4464619A | Circuit arrangement for the controlled supply to a load | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4092656A | Photographic camera with interchangeable lens | Physics | 7 | Expired |
| US5406469A | Electronic switching power supply | Electricity | 7 | Expired |
| US6814391B2 | Convertible motor vehicle roof | Performing Operations; Transporting | 6 | Expired |
| US4118683A | Resettable thermal safety switch | Electricity | 6 | Expired |
| US6688670B2 | Convertible roof of a convertible motor vehicle | Performing Operations; Transporting | 6 | Expired |
| US8328045B2 | Housing | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.