Lawrence M. Sears
20Patents
12h-index
9Co-inventors
70Inventor score
Filing activity: Oct 15, 1981 → Apr 13, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5617084A | Apparatus for communicating utility usage-related information from a utility usage location to a utility usage registering device | Physics | 196 | Expired |
| US5625659A | Method and apparatus for electronically measuring dispenser usage | Physics | 159 | Expired |
| US5719564A | Utility meter reading system | Physics | 158 | Expired |
| US4845487A | Pump system for enteral/parenteral fluid control and delivery | Human Necessities | 110 | Expired |
| US5237309A | Pump cassette and method of pumping | Human Necessities | 92 | Expired |
| US5151017A | Variable speed hydromassage pump control | Mechanical Engineering; Lighting; Heating | 71 | Expired |
| US4463354A | Apparatus for communicating utility usage related information from a utility usage location to a portable utility usage registering device | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6072405A | Meter transmission unit for use with a pit set utility meter | Physics | 27 | Expired |
| US5789868A | Timed photocell switch circuit | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4957273A | Remote shut-off valve | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4779839A | System for actuating an electrical valve from a remote location | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5530321A | Power supply for a gas discharge lamp | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6072286A | Auxiliary lighting control circuit and method for a HID lamp lighting system | Electricity | 12 | Expired |
| US4559594A | Electrostatic air cleaner and high voltage power source therefor | Electricity | 10 | Expired |
| US5542250A | Method and apparatus for actuating a direct source exhaust gas capture system | Performing Operations; Transporting | 9 | Expired |
| US5428557A | Sheet material coil counter | Physics | 8 | Expired |
| US4607527A | Method and apparatus for sensing rotation of a dial arm of a utility meter | Physics | 5 | Expired |
| US4470010A | Piezoelectric apparatus for sensing movement of a moving element such as a dial arm of a utility meter | Physics | 2 | Expired |
| US5802248A | Multi-speed motor | Electricity | 2 | Expired |
| US5992603A | Coin acceptance mechanism and method of determining an acceptable coin | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.