CURTISS-WRIGHT FLOW CONTROL CORPORATION
52Patents
33Active
52Granted
53Portfolio score
Filing activity: Mar 18, 1999 → Oct 8, 2021 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6660131B2 | Coke drum bottom de-heading system | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US7505852B2 | Probabilistic stress wave analysis system and method | Physics | 48 | Active |
| US7636613B2 | Actuator controller for monitoring health and status of the actuator and/or other equipment | Physics | 42 | Active |
| US6565714B2 | Coke drum bottom de-heading system | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6964727B2 | Coke drum bottom de-heading system | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6843889B2 | Coke drum bottom throttling valve and system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7117959B2 | Systems and methods for remotely determining and changing cutting modes during decoking | Chemistry; Metallurgy | 26 | Expired |
| US6989081B2 | Valve system and method for unheading a coke drum | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US7316762B2 | Dynamic flange seal and sealing system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7115190B2 | Tangential dispenser and system for use within a delayed coking system | Chemistry; Metallurgy | 22 | Expired |
| US7033460B2 | Coke drum bottom throttling valve and system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7140824B2 | Tensioning hydraulic nuts | Performing Operations; Transporting | 11 | Expired |
| US6209577A | Modulating action non-flowing pilot operated relief valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7473337B2 | Remotely controlled decoking tool used in coke cutting operations | Emerging Cross-Sectional Technologies | 9 | Active |
| US8851451B2 | Non-rising electric actuated valve operator | Emerging Cross-Sectional Technologies | 9 | Active |
| US7565215B2 | System and method for protection system design support | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8936701B2 | Coke drum bottom de-heading system | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7871500B2 | Coke drum skirt | Chemistry; Metallurgy | 5 | Active |
| US6220280A | Pilot operated relief valve with system isolating pilot valve from process media | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6736612B2 | Pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8459608B2 | Seat and valve systems for use in delayed coker system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7530574B2 | Dynamic flange seal and sealing system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8123197B2 | Ethylene production isolation valve systems | Emerging Cross-Sectional Technologies | 4 | Active |
| US6503066B1 | Hydrostatic pressure test pump | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7632381B2 | Systems for providing continuous containment of delayed coker unit operations | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.