Patent Explorer
Browse, filter, and analyze 29 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4723578A | Steam generator tube repair method and assembly | Combustion Engineering Inc | Expired / Lapsed | 1985-06-24 | 1988-02-09 | 2005-06-24 | 0.0 yrs | 13 | |
| US4071818A | Magnetostrictive position indicator | Combustion Engineering Inc | Expired / Lapsed | 1975-11-03 | 1978-01-31 | 1995-11-03 | 0.0 yrs | 17 | |
| US4070239A | Ball check valve | Combustion Engineering Inc | Expired / Lapsed | 1976-04-23 | 1978-01-24 | 1996-04-23 | 0.0 yrs | 7 | |
| US4065732A | Energy resonating system with elimination of optical bench structure | Combustion Engineering Inc | Expired / Lapsed | 1976-07-29 | 1977-12-27 | 1996-07-29 | 0.0 yrs | 10 | |
| US4015548A | Distributed programmable control system | Combustion Engineering Inc | Expired / Lapsed | 1975-06-25 | 1977-04-05 | 1995-06-25 | 0.0 yrs | 6 | |
| US3900939A | Method of plugging steam generator tubes | Combustion Engineering Inc | Expired / Lapsed | 1973-10-31 | 1975-08-26 | 1993-10-31 | 0.0 yrs | 7 | |
| US3895685A | Method and apparatus for ultrasonic inspection of weldments | Combustion Engineering Inc | Expired / Lapsed | 1971-04-19 | 1975-07-22 | 1991-04-19 | 0.0 yrs | 27 | |
| US3862032A | Ion exchange waste water treatment process | Combustion Engineering Inc | Expired / Lapsed | 1973-04-17 | 1975-01-21 | 1993-04-17 | 0.0 yrs | 26 | |
| US3849056A | Computer based plant protection system | Combustion Engineering Inc | Expired / Lapsed | 1972-11-02 | 1974-11-19 | 1992-11-02 | 0.0 yrs | 5 | |
| US3848104A | Apparatus for heat treating a surface | Combustion Engineering Inc | Expired / Lapsed | 1973-04-09 | 1974-11-12 | 1993-04-09 | 0.0 yrs | 14 | |
| US3610042A | Liquid level measuring device with temperature compensator | Combustion Engineering Inc | Expired / Lapsed | 1969-08-22 | 1971-10-05 | 1989-08-22 | 0.0 yrs | 0 | |
| US3502904A | Pulse-frequency to dc converter | Combustion Engineering Inc | Expired / Lapsed | 1967-06-12 | 1970-03-24 | 1987-06-12 | 0.0 yrs | 0 | |
| US3395657A | Automatic fire control for coal fired furnace | Combustion Engineering Inc | Expired / Lapsed | 1966-08-01 | 1968-08-06 | 1986-08-01 | 0.0 yrs | 0 | |
| US3385108A | Net oil computer | Combustion Engineering Inc | Expired / Lapsed | 1966-06-07 | 1968-05-28 | 1986-06-07 | 0.0 yrs | 0 | |
| US3352107A | Desalination and power generating system | Combustion Engineering Inc | Expired / Lapsed | 1965-12-17 | 1967-11-14 | 1985-12-17 | 0.0 yrs | 1 | |
| US3318328A | Alarm system | Combustion Engineering Inc | Expired / Lapsed | 1965-05-26 | 1967-05-09 | 1985-05-26 | 0.0 yrs | 2 | |
| US3283562A | Fluid testing by acoustic wave energy | Combustion Engineering Inc | Expired / Lapsed | 1963-07-16 | 1966-11-08 | 1983-07-16 | 0.0 yrs | 2 | |
| US3258053A | Automated burner control | Combustion Engineering Inc | Expired / Lapsed | 1964-05-05 | 1966-06-28 | 1984-05-05 | 0.0 yrs | 2 | |
| US3244898A | Power plant system and control therefor | Combustion Engineering Inc | Expired / Lapsed | 1959-12-29 | 1966-04-05 | 1979-12-29 | 0.0 yrs | 2 | |
| US3212571A | Tube bundle for shell and tube type heat exchanger formed of spirally wound coil segments | Combustion Engineering Inc | Expired / Lapsed | 1962-12-31 | 1965-10-19 | 1982-12-31 | 0.0 yrs | 2 |
Showing 1 to 20 of 29 patents
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