Draft Systems, Inc.
21Patents
0Active
21Granted
33Portfolio score
Filing activity: Mar 19, 1976 → Nov 7, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4554864A | Food cooker | Human Necessities | 50 | Expired |
| US4416430A | Load lowering device | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4674756A | Structurally supported elastomer sealing element | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4666109A | Tube support assembly | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4159102A | Locking mechanism for coupler and valve assembly | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4736926A | Valve assembly and coupler therefor | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4484695A | Safety pressure reducing regulator | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4305421A | Fluid dispensing system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4181143A | Valve assembly and coupler therefor | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4343325A | Valve assembly and coupler therefor | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4219040A | Rupture disc safety valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4612952A | Valve assembly and coupler therefor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4210172A | Apparatus for dispensing fluid under pressure | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4481969A | Fluid pressure control device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4509663A | Locking mechanism and valve assembly | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4520953A | Safety apparatus for high pressure systems | Performing Operations; Transporting | 11 | Expired |
| US4349136A | Safety pressure reducing regulator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4566476A | Flow control device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4449412A | Safety pressure gage | Physics | 8 | Expired |
| US4135641A | Apparatus and methods for dispensing fluid under pressure | Performing Operations; Transporting | 8 | Expired |
| US4475368A | Method and apparatus for restraightening container support skirts | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.