Peter Langer
29Patents
15h-index
70Co-inventors
84Inventor score
Filing activity: Dec 22, 1980 → Nov 14, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4757463A | Fault isolation for vehicle using a multifunction test probe | Emerging Cross-Sectional Technologies | 130 | Expired |
| US4787040A | Display system for automotive vehicle | Physics | 123 | Expired |
| US7429924B2 | Automatic doorbell driver | Physics | 113 | Active |
| US7477134B2 | Apparatuses and methods for driving a doorbell system peripheral load at a higher current | Physics | 112 | Active |
| US8193919B2 | Apparatuses and methods for driving a doorbell system peripheral load at a higher current | Physics | 100 | Active |
| US7048423B2 | Integrated light and accessory assembly | Electricity | 89 | Expired |
| US4811240A | System for creating and controlling interactive graphic display screens | Physics | 85 | Expired |
| US5337013A | Method and apparatus for monitoring the operation of electrical loads in an automotive vehicle | Physics | 39 | Expired |
| US6374780B1 | Electric waterpump, fluid control valve and electric cooling fan strategy | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5483221A | Seat belt usage indicating system | Performing Operations; Transporting | 29 | Expired |
| US4359715A | Coded failure indicator for an air bag system | Performing Operations; Transporting | 21 | Expired |
| US5365438A | Audible and visual feedback for user stimulated self-test diagnostics | Physics | 19 | Expired |
| US5951746A | Suction device for cleaning purposes | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6268588A | Steering wheel heater assembly and a method for heating a steering wheel | Performing Operations; Transporting | 16 | Expired |
| US5510950A | Method and circuit for controlling and monitoring a load | Electricity | 15 | Expired |
| US5794055A | Automotive electrical system and method for coupling power to such systems | Electricity | 12 | Expired |
| US5238221A | Plug-in coupling for hoses | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7378641B2 | Device and method for identifying an object in or on a closable opening | Physics | 8 | Expired |
| US6548993B1 | Power supply module having internal energy storage circuit for stable oscillation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6774645B1 | Device and method for detecting deposit formations on sensor surfaces where lubricants cause the formations | Physics | 7 | Expired |
| US7589303B2 | Method of determining and/or evaluating a differential optical signal | Physics | 7 | Expired |
| US7827878B2 | Bevel gear mechanism, especially bevel spur-gear mechanism | Emerging Cross-Sectional Technologies | 6 | Active |
| US6864782B1 | Backup aid system and method for detecting the presence of a trailer attached thereto | Performing Operations; Transporting | 6 | Expired |
| US6377131B1 | Pulse width modulated driver | Electricity | 5 | Expired |
| US8613575B2 | Indexable cutting insert | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.