Klinger Ltd.
21Patents
2Active
21Granted
33Portfolio score
Filing activity: Apr 5, 1974 → Feb 11, 2015 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4395050A | Sealing arrangement specifically for shut off devices | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4512190A | Magnetically operated liquid level indicator | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4690413A | Gaskets | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4105187A | Sealing system for shutoff units | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US3945390A | Sealing system for shutoff elements | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4546790A | Fluid valve | Emerging Cross-Sectional Technologies | 16 | Expired |
| USRE31417E | Sealing system for shutoff elements | General | 15 | Expired |
| US5381818A | Shut-off valve and sealing ring | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5149055A | Shut-off valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5997008A | Sealing ring | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4284098A | Valves for controlling or preventing fluid flow | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5452904A | Stuffing-box packing | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4221234A | Closure valves for use in coaxial flow systems | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5795518A | Process for producing sealing rings from expandable graphite | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4112965A | Shutoff element | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5544898A | Sealing ring for a shut-off valve having a multi-ply structure | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5671929A | Lenticular sealing ring with alternating graphite and metal lamellae | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7217452B2 | Elastomer-bonded sheet material and process for its production | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8096561B2 | Flange gasket | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4194390A | Method of and apparatus for ascertaining the state of aggregation of a medium | Emerging Cross-Sectional Technologies | 0 | Expired |
| USD753801S1 | Seal | General | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.