Whitey Co.
37Patents
0Active
37Granted
33Portfolio score
Filing activity: Aug 28, 1981 → Nov 7, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5263682A | Valve stem packing system | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5305788A | Stream selector for process analyzer | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4895341A | Pinch valve | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4572239A | High pressure ball valve | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4602762A | Ball valve and seat assembly | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4538790A | Valve stem packing assembly | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4558874A | Valve stem packing assembly | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4479513A | High pressure ball valve | Emerging Cross-Sectional Technologies | 34 | Expired |
| USD344763S | Identification collar for containers | General | 33 | Expired |
| US5213308A | Valve with handle latch/lock | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4410165A | Ball valve and seat assembly | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4899783A | Pinch valve | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5361805A | Stream selector for process analyzer | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4671308A | Fire-safe ball valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4660591A | Ball valve and seat assembly | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4735533A | Valve locking assembly | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4685488A | Ball valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4762301A | Compact multi-service ball valve | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4877053A | Pinch valve | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD330319S | Locking needle valve handle | General | 16 | Expired |
| US5083749A | Plastic needle valve | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4750708A | High strength ball valve seat assembly | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| USD305927S | Nut lock plate | General | 14 | Expired |
| US4792118A | Low dead space ring | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4887644A | Tee fitting integrally formed in valve body | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.