Brian Holt
23Patents
11h-index
29Co-inventors
75Inventor score
Filing activity: Oct 19, 1973 → Mar 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6970101B1 | Parking guidance method and system | Physics | 70 | Expired |
| US4021432A | Piperidine derivatives | Chemistry; Metallurgy | 64 | Expired |
| US4681686A | Cotelomer compounds | Chemistry; Metallurgy | 30 | Expired |
| US4734209A | Metal deactivators | Chemistry; Metallurgy | 29 | Expired |
| US4046737A | Piperidine derivatives | Chemistry; Metallurgy | 26 | Expired |
| US4178253A | Corrosion inhibited lubricant compositions | Chemistry; Metallurgy | 25 | Expired |
| US4049647A | Bis piperidyl carboxylates | Chemistry; Metallurgy | 22 | Expired |
| US4014887A | Substituted piperidin-4-ols | Chemistry; Metallurgy | 20 | Expired |
| US3992390A | Esters of piperidinols | Chemistry; Metallurgy | 20 | Expired |
| US6328223A | Single control paint sprayer | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4189587A | 1,3-Diaminomethyl-hydantoin additives for lubricating oils | Chemistry; Metallurgy | 12 | Expired |
| US10448875B2 | Capacitive measurement device with integrated electrical and mechanical shielding | Physics | 11 | Active |
| US5737173A | Railroad track circuit vital relay control | Electricity | 10 | Expired |
| USRE31342E | Piperidyl carboxylates | General | 6 | Expired |
| US3994857A | Azine derivatives of piperidine | Chemistry; Metallurgy | 4 | Expired |
| US4110305A | Polymers stabilized by esters of piperidinols | Chemistry; Metallurgy | 4 | Expired |
| US4637926A | Method of removing hydrogen sulphide from gases | Chemistry; Metallurgy | 1 | Expired |
| USRE31343E | Piperidine derivatives | General | 1 | Expired |
| US11473958B2 | Capacitive measurement device with minimized sensitivity to manufacturing variability and environmental changes | Physics | 0 | Active |
| US11479617B2 | Chelator-functionalized glycosaminoglycans | Chemistry; Metallurgy | 0 | Active |
| US10323556B2 | Electric immersion heater for diesel exhaust fluid reservoir | Emerging Cross-Sectional Technologies | 0 | Active |
| US12018202B2 | Functional graphenic materials for use as adhesives and sealants | Chemistry; Metallurgy | 0 | Active |
| US10709373B2 | Fluid analysis device and associated systems and methods | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.