Jeffrey D. Johnson
86Patents
9h-index
14Co-inventors
75Inventor score
Filing activity: Sep 14, 1992 → Mar 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6871725B2 | Honeycomb core acoustic unit with metallurgically secured deformable septum, and method of manufacture | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7632402B2 | Control system | Chemistry; Metallurgy | 22 | Active |
| US5437936A | Honeycomb core structure and method and apparatus relating thereto | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8464743B2 | Inline dispersal valves | Emerging Cross-Sectional Technologies | 18 | Active |
| USD557344S1 | Sign stand | General | 16 | Expired |
| US7604018B2 | Dispensers | Emerging Cross-Sectional Technologies | 11 | Active |
| US8133398B2 | Control system | Chemistry; Metallurgy | 10 | Active |
| US5609288A | Honeycomb core structure and method and apparatus relating thereto | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8123956B2 | Control system | Chemistry; Metallurgy | 9 | Active |
| US6562242B2 | Stand alone water purifier | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD682388S1 | Dispenser | General | 8 | Active |
| US8999259B2 | Floating dispensers | Chemistry; Metallurgy | 8 | Active |
| USD925001S1 | Dispensing cartridge holder | General | 7 | Active |
| US6685827B2 | Stand alone water purifier system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7014780B2 | Stand alone water purifier system | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD682389S1 | Dispenser | General | 6 | Active |
| US10029932B2 | Dispensing systems | Emerging Cross-Sectional Technologies | 5 | Active |
| US8585967B2 | Indexable dispenser cartridges | Emerging Cross-Sectional Technologies | 5 | Active |
| US9314747B2 | Cartridges for bulk feeders | Emerging Cross-Sectional Technologies | 4 | Active |
| US7419590B2 | Activity enhanced dispensers | Chemistry; Metallurgy | 4 | Active |
| US9039903B2 | Method of conditioning a body of water by delivering different dispersant combinations through a floating generally spherical dispenser system | Chemistry; Metallurgy | 4 | Active |
| US9714129B2 | Indexable dispenser cartridge | Emerging Cross-Sectional Technologies | 3 | Active |
| US10119287B2 | Dispensers | Chemistry; Metallurgy | 3 | Active |
| US8617481B1 | Indexable dispenser cartridges | Emerging Cross-Sectional Technologies | 3 | Active |
| US6599609B2 | Flanged honeycomb core and method of making same | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.