Patrick Douglas
41Patents
16h-index
13Co-inventors
78Inventor score
Filing activity: Nov 11, 1975 → Dec 21, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD389006S | Pitcher | General | 60 | Expired |
| USD421336S | Basket | General | 40 | Expired |
| USD386944S | Pitcher reservoir | General | 38 | Expired |
| US6036204A | Wheeled hamper with pivotal handle | Performing Operations; Transporting | 35 | Expired |
| USD416321S | Portable electrical fan | General | 33 | Expired |
| USD426064S | Storage container lid | General | 30 | Expired |
| US4058198A | Conveyor assembly | Performing Operations; Transporting | 29 | Expired |
| USD386336S | Storage drawer | General | 26 | Expired |
| US6186338A | Self-propelled material-processing apparatus | Fixed Constructions | 24 | Expired |
| USD414587S | Vanity wastebasket | General | 22 | Expired |
| USD357762S | Decorative housing for wall mounted electrical unit | General | 22 | Expired |
| USD389002S | Water dispenser | General | 22 | Expired |
| USD385680S | Mailbox | General | 18 | Expired |
| US5086911A | Foldable framework for belt conveyors | Performing Operations; Transporting | 17 | Expired |
| USD407933S | Toilet bowl brush caddy | General | 17 | Expired |
| USD421323S | Hamper | General | 16 | Expired |
| US5333725A | Foldable framework for belt conveyor | Performing Operations; Transporting | 15 | Expired |
| USD420799S | Storage container | General | 14 | Expired |
| US6311821A | Material processing plant | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD421169S | Vanity wastebasket | General | 13 | Expired |
| USD386943S | Dispensing receptacle reservoir | General | 13 | Expired |
| US5112474A | Screening apparatus with tiltable vibratory screen | Performing Operations; Transporting | 12 | Expired |
| USD431099S | Hamper | General | 11 | Expired |
| US6098812A | Mobile screening apparatus and method | Fixed Constructions | 11 | Expired |
| US5044484A | Endless conveyor elevator with foldable support frame | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.