John M. Clark
19Patents
7h-index
30Co-inventors
66Inventor score
Filing activity: Mar 20, 1981 → Aug 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4561292A | Double-wall underground container for storing liquids and leak detecting means therefor | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7604131B1 | Sliding storage rack | Human Necessities | 27 | Active |
| US4840287A | Locking mechanism for a pressure cooker | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7050784B2 | Weather radio with channel acquisition system | Electricity | 14 | Expired |
| US6292563A | Volume attenuator for flip-style hand-held phone | Electricity | 12 | Expired |
| US6167608A | Tank upgrading method and tank assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6684174B2 | Wind gauge | Human Necessities | 8 | Expired |
| US6339695B1 | Cordless phone data transfer | Electricity | 7 | Expired |
| US9205912B2 | Compound motion structure | Emerging Cross-Sectional Technologies | 5 | Active |
| US6626659B1 | Injection molding method and apparatus having improved detachable clamping unit with horizontal booking dies | Performing Operations; Transporting | 4 | Expired |
| US6872353B2 | Method of molding using compact molding apparatus | Performing Operations; Transporting | 4 | Expired |
| US6638046B1 | Compact molding apparatus and method | Performing Operations; Transporting | 3 | Expired |
| US4318868A | Analog carburetor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8858368B2 | Handheld performance tracking and mapping device utilizing an optical scanner | Human Necessities | 2 | Active |
| US11808192B2 | Exhaust gas aftertreatment system | Emerging Cross-Sectional Technologies | 1 | Active |
| US7152732B2 | Protective housing assembly, and associated method, for optical storage media | Physics | 1 | Expired |
| US5530193A | Maize dwarf mosaic virus resistant plants | Chemistry; Metallurgy | 1 | Expired |
| US6393103B1 | Method and apparatus for emulating telephone services | Electricity | 1 | Expired |
| US12087220B2 | Exhaust gas aftertreatment system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.