Robert D. Hall
22Patents
7h-index
23Co-inventors
69Inventor score
Filing activity: Dec 16, 1974 → Mar 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4731554A | Low profile ring-shaped motor | Electricity | 59 | Expired |
| US3957448A | Divided horizontal reactor for the vapor phase polymerization of monomers at different hydrogen levels | Emerging Cross-Sectional Technologies | 33 | Expired |
| US3965083A | Process for the vapor phase polymerization of monomers in a horizontal, quench-cooled, stirred-bed reactor using essentially total off-gas recycle and melt finishing | Performing Operations; Transporting | 23 | Expired |
| US5657667A | End of travel stop for transfer case actuator | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD308752S | Combined eyeglass case and utility pouch | General | 15 | Expired |
| US4421629A | Delayed coking and dedusting process | Chemistry; Metallurgy | 12 | Expired |
| US5578878A | Counterbalanced electric motor | Performing Operations; Transporting | 11 | Expired |
| US5661029A | Biological culture growth and observation device | Physics | 7 | Expired |
| US4591750A | Compact ring shaped brush motor | Electricity | 6 | Expired |
| US5358542A | Glass container forming machine including neck ring mold cooling | Chemistry; Metallurgy | 5 | Expired |
| US4315656A | Method for reducing porosity of rubblized oil shale | Fixed Constructions | 5 | Expired |
| US4271904A | Method for controlling underground combustion | Fixed Constructions | 3 | Expired |
| US4343361A | Method for controlling underground combustion | Fixed Constructions | 3 | Expired |
| US8476997B2 | Soft-start systems and methods for vehicle starters | Electricity | 3 | Active |
| US4343360A | Method for controlling underground combustion | Fixed Constructions | 3 | Expired |
| US5969215A | Method of plant tissue culture and regeneration | Human Necessities | 2 | Expired |
| US9013076B2 | Systems and methods for cooling a drive end bearing | Electricity | 2 | Active |
| US4323120A | Method for controlling underground combustion | Fixed Constructions | 2 | Expired |
| US5989851A | Method for enhancing shelf life of biological growth media | Physics | 2 | Expired |
| US4323121A | Method for controlling underground combustion | Fixed Constructions | 1 | Expired |
| US8669835B2 | Soft-start systems and methods for vehicle starters | Electricity | 1 | Active |
| US10897176B2 | Systems and methods for cooling a drive end bearing | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.