John C. Thomas
56Patents
17h-index
49Co-inventors
84Inventor score
Filing activity: Feb 13, 1975 → Jan 23, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4268133A | Preferential orientation of contact lenses | Physics | 107 | Expired |
| US4855913A | Electronic control system for powershift transmission | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US7900703B2 | Method of drilling out a reaming tool | Fixed Constructions | 63 | Active |
| US5936234A | Seed planter monitoring system with optical sensors | Physics | 61 | Expired |
| US4252901A | System and process for anaerobic digestion | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6242953A | Multiplexed synchronization circuits for switching frequency synthesized signals | Electricity | 43 | Expired |
| US6477687B1 | Method of embedding RAMS and other macrocells in the core of an integrated circuit chip | Electricity | 41 | Expired |
| US4626320A | Method for automated de-coking | Chemistry; Metallurgy | 40 | Expired |
| US4967385A | Electronic control system for powershift transmission | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5831542A | Air seeder blockage monitoring system | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5053960A | Electronic control system for powershift transmission with compensation for variation in supply voltage | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4067140A | Mulch and process of making same | Human Necessities | 33 | Expired |
| USD487213S1 | Blender | General | 24 | Expired |
| US5043892A | Electronic control system for powershift transmission with compensation for magnetic coupling | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5831539A | Air seeder blockage monitoring system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4303255A | Vehicle multispeed drive system utilizing arm and leg power | Performing Operations; Transporting | 18 | Expired |
| US4248972A | Stacked modules for anaerobic digestion | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD483993S1 | Blender jar design | General | 17 | Expired |
| US4379281A | Alarm system for bicycles and the like | Emerging Cross-Sectional Technologies | 16 | Expired |
| US10322764B2 | Mounting assembly | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US4270766A | Arm and leg powered drive system for a vehicle | Performing Operations; Transporting | 15 | Expired |
| USD500937S1 | Stainless steel bowl for stand mixer | General | 15 | Expired |
| US7954570B2 | Cutting elements configured for casing component drillout and earth boring drill bits including same | Fixed Constructions | 14 | Active |
| US4817325A | Fishing lure | Human Necessities | 12 | Expired |
| US5857054A | Apparatus and method for removably positioning optical fiber to circuit board component in enclosure | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.