Peter Hoekstra
25Patents
11h-index
46Co-inventors
75Inventor score
Filing activity: Mar 19, 1993 → Jul 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5542146A | Electronic vacuum cleaner control system | Emerging Cross-Sectional Technologies | 263 | Expired |
| US5507067A | Electronic vacuum cleaner control system | Emerging Cross-Sectional Technologies | 205 | Expired |
| US5515572A | Electronic vacuum cleaner control system | Emerging Cross-Sectional Technologies | 198 | Expired |
| US5725623A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 76 | Expired |
| USD353917S | Combined vacuum cleaner handle and wand | General | 52 | Expired |
| US5551731A | Handle system for vacuum cleaner | Human Necessities | 41 | Expired |
| US5685894A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5690713A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5387117A | Universal central vacuum cleaner hose end fitting | Electricity | 25 | Expired |
| US5389004A | Handle and wand system for vacuum cleaner | Human Necessities | 21 | Expired |
| US5479676A | Vacuum cleaner | Human Necessities | 15 | Expired |
| US5472346A | Swivel joint for vacuum cleaner | Human Necessities | 9 | Expired |
| USD357562S | Vacuum cleaner accessory caddy | General | 7 | Expired |
| USD353236S | Power nozzle for a vacuum cleaner | General | 7 | Expired |
| USD360717S | Vacuum cleaner | General | 4 | Expired |
| US5640740A | Vacuum cleaner | Human Necessities | 4 | Expired |
| US9599987B2 | Autonomous mobile robot and method for operating the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US5638573A | Vacuum cleaner | Human Necessities | 2 | Expired |
| US8248583B2 | Lithographic apparatus and calibration method | Physics | 1 | Active |
| US10062178B2 | Locating a portable device based on coded light | Electricity | 0 | Active |
| US11712701B2 | Wood grinding machine with vibration detection system and related methods | Performing Operations; Transporting | 0 | Active |
| US11143509B2 | Positioning based on illumination sources | Electricity | 0 | Active |
| US9606458B2 | Method for calibration of an encoder scale and a lithographic apparatus | Physics | 0 | Active |
| US10461857B2 | Clock recovery for a coded light receiver | Electricity | 0 | Active |
| US10491297B2 | Detecting signals embedded in visible light | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.