David Pearson
24Patents
7h-index
19Co-inventors
66Inventor score
Filing activity: Aug 2, 1974 → Sep 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4327288A | Method for focusing neutral atoms, molecules and ions | Physics | 24 | Expired |
| US5065845A | Speed governor safety device for stopping an elevator car | Performing Operations; Transporting | 19 | Expired |
| US5377785A | Door closing system | Performing Operations; Transporting | 14 | Expired |
| US4080570A | Panel mounting for electrical device | Physics | 13 | Expired |
| US10218733B1 | System and method for detecting a malicious activity in a computing environment | Electricity | 12 | Active |
| US5306879A | Load measuring apparatus for an elevator car | Physics | 10 | Expired |
| US5401318A | Plasma reactor for performing an etching or deposition method | Electricity | 7 | Expired |
| US3997840A | Panel meter with adapter cover | Physics | 6 | Expired |
| US5316108A | Apparatus for attaching elevator guide rails to elevator shaft walls | Performing Operations; Transporting | 5 | Expired |
| US10482123B2 | Audible acoustic performance tool | Physics | 5 | Active |
| US4024472A | Meter construction | Physics | 4 | Expired |
| US3983478A | Moving coil instrument having electrically conductive coil form parts connected to the coil | Physics | 2 | Expired |
| US4238731A | Instrument moving element with severable bridge | Emerging Cross-Sectional Technologies | 1 | Expired |
| US12069074B2 | Threat representation and automated tracking and analysis | Electricity | 1 | Active |
| US10716405B2 | Assistive device for standing tasks | Human Necessities | 1 | Active |
| US4840254A | Elevator hoistway door interlock | Electricity | 1 | Expired |
| US11461387B2 | Audible acoustic performance tool | Physics | 1 | Active |
| US11681870B2 | Reducing latency and improving accuracy of work estimates utilizing natural language processing | Physics | 0 | Active |
| US12277170B2 | Audible acoustic performance tool | Physics | 0 | Active |
| US10830219B2 | Moveable joint | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11803587B2 | Audible acoustic performance tool | Physics | 0 | Active |
| US11266251B2 | Assisting device for standing tasks | Human Necessities | 0 | Active |
| US11109506B2 | Fiber management sliding tray system | Electricity | 0 | Active |
| US11700948B2 | Assisting device for standing tasks | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.