Keith D. Johnson
17Patents
11h-index
23Co-inventors
72Inventor score
Filing activity: Jan 19, 1988 → Apr 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6158486A | Closed package liquid dispensing system | Performing Operations; Transporting | 68 | Expired |
| US6370813B1 | Insect bait station and reservoir | Human Necessities | 44 | Expired |
| US5983537A | Magnetically supportable card device and method of producing same | Physics | 32 | Expired |
| USD427912S | Bottle | General | 25 | Expired |
| USD765220S1 | Filter cartridge with flange end | General | 18 | Active |
| US4852916A | High temperature vacuum probe | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5435085A | Greeting card device | Performing Operations; Transporting | 16 | Expired |
| US5782357A | Greeting card and retaining tray assembly | Performing Operations; Transporting | 13 | Expired |
| US10307697B2 | Filter cartridge | Chemistry; Metallurgy | 12 | Active |
| USD758529S1 | Filter cartridge with adapter for jug container | General | 12 | Active |
| US5595008A | Greetng card device | Performing Operations; Transporting | 11 | Expired |
| USD791912S1 | Filter cartridge with flange end | General | 9 | Active |
| US6790046B2 | Accessory for a portable electronic device | Electricity | 7 | Expired |
| US10196282B2 | Filter cartridges for jug container | Chemistry; Metallurgy | 5 | Active |
| USD581468S1 | Board game | General | 3 | Expired |
| US9935251B1 | LED chip packaging with high performance thermal dissipation | Electricity | 2 | Active |
| US7967681B2 | System and method for providing enhanced amusement game tournament play | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.