Bruce F. Field
60Patents
23h-index
34Co-inventors
88Inventor score
Filing activity: Mar 14, 1986 → Sep 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4996468A | Automated guided vehicle | Physics | 201 | Expired |
| US5081365A | Electric hybrid vehicle and method of controlling it | Emerging Cross-Sectional Technologies | 139 | Expired |
| US4846297A | Automated guided vehicle | Physics | 134 | Expired |
| US4790402A | Automated guided vehicle | Physics | 119 | Expired |
| US6735811B2 | Cleaning liquid dispensing system for a hard floor surface cleaner | Performing Operations; Transporting | 104 | Expired |
| US6705332B2 | Hard floor surface cleaner utilizing an aerated cleaning liquid | Performing Operations; Transporting | 94 | Expired |
| US4675935A | Control and monitor for a floor maintenance device | Human Necessities | 91 | Expired |
| US6671925B2 | Chemical dispenser for a hard floor surface cleaner | Human Necessities | 86 | Expired |
| US6585827B2 | Apparatus and method of use for cleaning a hard floor surface utilizing an aerated cleaning liquid | Performing Operations; Transporting | 80 | Expired |
| US7051399B2 | Cleaner cartridge | Performing Operations; Transporting | 77 | Expired |
| US7199711B2 | Mobile floor cleaner data communication | Human Necessities | 65 | Expired |
| US6044922A | Electric hybrid vehicle | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6117200A | Electromagnetic filter cleaning system | Performing Operations; Transporting | 45 | Expired |
| US8029739B2 | Ultraviolet sanitation device | Fixed Constructions | 39 | Active |
| US5020620A | Offsetting the course of a laser guided vehicle | Physics | 37 | Expired |
| US4757566A | Control of torque in floor maintenance tools by drive motor load | Fixed Constructions | 37 | Expired |
| US4679271A | Automatic tool force compensator for a surface maintenance machine | Fixed Constructions | 34 | Expired |
| US8025786B2 | Method of generating sparged, electrochemically activated liquid | Chemistry; Metallurgy | 32 | Active |
| US6668954B2 | Electric hybrid vehicle | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6481516B1 | Electric hybrid vehicle | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4825500A | Speed and steering control for a floor maintenance machine | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7891046B2 | Apparatus for generating sparged, electrochemically activated liquid | Chemistry; Metallurgy | 27 | Active |
| US6096383A | Curing of floor coatings using long and short wave ultraviolet radiation | Performing Operations; Transporting | 26 | Expired |
| US6662600B1 | Foamed cleaning liquid dispensing system | Textiles; Paper | 23 | Expired |
| US4766432A | Telemetry system for floor maintenance machines | Human Necessities | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.