David A. Saar
36Patents
18h-index
29Co-inventors
81Inventor score
Filing activity: Apr 26, 1979 → Nov 26, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4392101A | Method of charging batteries and apparatus therefor | Emerging Cross-Sectional Technologies | 315 | Expired |
| US4267914A | Anti-kickback power tool control | Emerging Cross-Sectional Technologies | 215 | Expired |
| US4249117A | Anti-kickback power tool control | Physics | 180 | Expired |
| US6229455A | Vehicle-detecting unit for use with electronic parking meter | Physics | 127 | Expired |
| US4388582A | Apparatus and method for charging batteries | Electricity | 121 | Expired |
| US4307325A | Digital control system for electric motors in power tools and the like | Emerging Cross-Sectional Technologies | 95 | Expired |
| US4317176A | Microcomputer controlled power tool | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6840052B2 | Air conditioning system | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6560790B2 | Flush control | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4527101A | Universal electric motor speed sensing by using Fourier transform method | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4447786A | Waveform synthesizer and motor controller | Electricity | 32 | Expired |
| US7637892B2 | Variable flow infusion pump system | Human Necessities | 27 | Active |
| US6161100A | System for billing individual units of a multi-unit building for water use and for water related energy use | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5838258A | System for monitoring the use of heat energy in water devices in an individual unit of a multi-unit building | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5391218A | Diagnostic and control system for dust collector | Performing Operations; Transporting | 23 | Expired |
| US5999134A | Glass antenna system with an impedance matching network | Electricity | 22 | Expired |
| US4489267A | Waveform synthesizer and motor controller | Electricity | 22 | Expired |
| US8177750B2 | Variable flow infusion pump system | Human Necessities | 21 | Active |
| US9345231B2 | Selective access control apparatus for animals using electronic recognition | Physics | 17 | Active |
| US7783277B2 | Low power rf control system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6236035A | Apparatus and method for sensing with triangulation and time-of-flight for use in an actuatable occupant restraint system | Performing Operations; Transporting | 16 | Expired |
| US6101451A | Water management system | Physics | 16 | Expired |
| US6377190B1 | System for monitoring water consuming structures in an individual unit of a multi-unit building | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7782228B2 | Vehicle spacing detector and notification system | Physics | 10 | Active |
| US7860481B2 | Low power rf control system | Emerging Cross-Sectional Technologies | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.