SWAGELOK COMPANY
253Patents
169Active
253Granted
53Portfolio score
Filing activity: Oct 8, 1976 → Feb 10, 2025 · 33 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7100949B2 | Ferrule with relief to reduce galling | Mechanical Engineering; Lighting; Heating | 1,276 | Expired |
| US4114853A | Quick connect coupling | Mechanical Engineering; Lighting; Heating | 84 | Expired |
| US6629708B2 | Ferrule with relief to reduce galling | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US6247678A | Shape memory alloy actuated fluid control valve | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7284433B2 | Ultrasonic testing of fitting assembly for fluid conduits with a hand-held apparatus | Physics | 50 | Expired |
| US8439404B2 | Conduit connection with sensing function | Mechanical Engineering; Lighting; Heating | 50 | Active |
| US4671540A | Coupling | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6123320A | Sanitary diaphragm valve | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US6131963A | Ferrule with relief to reduce galling | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US6234545A | Clamped flange fitting and assembly | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US6644353B1 | Modular surface mount manifold | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7677602B2 | Tube fitting | Mechanical Engineering; Lighting; Heating | 41 | Active |
| US6165597A | Selective case hardening processes at low temperature | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6279242A | Intrinsic gauging for tube fittings | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6672561B2 | Piston diaphragm with integral seal | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US7066496B2 | Fitting with separable gripping device for pipe and tube | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4665943A | Poppet valve | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7695027B2 | Fitting for tube and pipe | Mechanical Engineering; Lighting; Heating | 35 | Active |
| US7108288B2 | Tube fitting with separable tube gripping ring | Chemistry; Metallurgy | 34 | Expired |
| US6640457B2 | Intrinsic gauging for tube fittings | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6848672B2 | Mounting bracket for valve actuator | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6093303A | Low temperature case hardening processes | Chemistry; Metallurgy | 32 | Expired |
| US7497483B2 | Fitting for tube and pipe with cartridge | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US6123340A | Modular flow devices | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7337805B2 | Valve with adjustable stop | Emerging Cross-Sectional Technologies | 29 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.