Patrick Walker
22Patents
6h-index
25Co-inventors
69Inventor score
Filing activity: Jun 26, 1974 → Apr 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD531698S1 | Pull-down faucet assembly | General | 58 | Expired |
| USD594934S1 | Faucet assembly | General | 34 | Expired |
| USD544945S1 | Pull-down faucet assembly | General | 29 | Expired |
| USD527075S1 | Pull-down faucet assembly | General | 17 | Expired |
| US3956855A | Door frame structure with safety lock bracket | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6792220B2 | Dual density gray patch toner control | Physics | 10 | Expired |
| US5924253A | Cover attachment apparatus | Human Necessities | 6 | Expired |
| USD552717S1 | Pull out wand | General | 5 | Expired |
| USD572800S1 | Pull out wand | General | 3 | Expired |
| US8529038B2 | System and method for pressure control of an ink delivery system | Performing Operations; Transporting | 3 | Active |
| US7158732B2 | Method and system for using toner concentration as an active control actuator for TRC control | Physics | 2 | Expired |
| US10005292B1 | Object holder for a direct-to-object printer | Performing Operations; Transporting | 2 | Active |
| US8454147B2 | Method and system for delivering solid-ink pellets | Physics | 1 | Active |
| US8303098B2 | High flow ink delivery system | Performing Operations; Transporting | 1 | Active |
| US8864294B1 | Container for delivering solid-ink pellets | Physics | 1 | Active |
| US7274887B2 | System and method for setup of toner concentration target for a toner concentration sensor | Physics | 1 | Expired |
| US8591016B2 | High flow ink delivery system | Performing Operations; Transporting | 1 | Active |
| US6895194B2 | Xerographic development system where a gap between a donor member and a photoreceptor is estimated | Physics | 0 | Expired |
| US8449093B2 | Solid ink melter assembly | Performing Operations; Transporting | 0 | Active |
| US8348405B2 | System and method for transporting solid ink pellets | Performing Operations; Transporting | 0 | Active |
| US8403470B2 | Solid ink melter assembly | Performing Operations; Transporting | 0 | Active |
| US8240829B2 | Solid ink melter assembly | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.