Combustion Engineering Inc
CombustionActive Patents
0
Total Holdings
60
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4920802A | Ultrasonic check valve inspection | Expired / Lapsed | 1988-08-05 | 1990-05-01 | 20 | Details |
| US4723578A | Steam generator tube repair method and assembly | Expired / Lapsed | 1985-06-24 | 1988-02-09 | 13 | Details |
| US4505017A | Method of installing a tube sleeve | Expired / Lapsed | 1982-12-15 | 1985-03-19 | 13 | Details |
| US4485847A | Compression sleeve tube repair | Expired / Lapsed | 1983-03-21 | 1984-12-04 | 13 | Details |
| USRE30802E | Method of securing a sleeve within a tube | Expired / Lapsed | 1979-02-22 | 1981-11-24 | 7 | Details |
| US4263856A | Providing supplemental pulverized coal for load regain | Expired / Lapsed | 1979-02-08 | 1981-04-28 | 4 | Details |
| US4241670A | Coal feed system for a fluidized bed boiler | Expired / Lapsed | 1979-03-19 | 1980-12-30 | 3 | Details |
| US4178801A | Measurement of gas-liquid flow | Expired / Lapsed | 1978-10-10 | 1979-12-18 | 4 | Details |
| US4071818A | Magnetostrictive position indicator | Expired / Lapsed | 1975-11-03 | 1978-01-31 | 17 | Details |
| US4070239A | Ball check valve | Expired / Lapsed | 1976-04-23 | 1978-01-24 | 7 | Details |
| US4065732A | Energy resonating system with elimination of optical bench … | Expired / Lapsed | 1976-07-29 | 1977-12-27 | 10 | Details |
| US4015548A | Distributed programmable control system | Expired / Lapsed | 1975-06-25 | 1977-04-05 | 6 | Details |
| US3986245A | Tube removal method | Expired / Lapsed | 1975-04-30 | 1976-10-19 | 9 | Details |
| US3900939A | Method of plugging steam generator tubes | Expired / Lapsed | 1973-10-31 | 1975-08-26 | 7 | Details |
| US3895685A | Method and apparatus for ultrasonic inspection of weldments | Expired / Lapsed | 1971-04-19 | 1975-07-22 | 27 | Details |
| US3862032A | Ion exchange waste water treatment process | Expired / Lapsed | 1973-04-17 | 1975-01-21 | 26 | Details |
| US3849056A | Computer based plant protection system | Expired / Lapsed | 1972-11-02 | 1974-11-19 | 5 | Details |
| US3848104A | Apparatus for heat treating a surface | Expired / Lapsed | 1973-04-09 | 1974-11-12 | 14 | Details |
| US3823532A | Filter | Expired / Lapsed | 1973-11-14 | 1974-07-16 | 11 | Details |
| US3610042A | Liquid level measuring device with temperature compensator | Expired / Lapsed | 1969-08-22 | 1971-10-05 | 0 | Details |
| US3594788A | Sensor testing device | Expired / Lapsed | 1967-12-27 | 1971-07-20 | 12 | Details |
| US3566713A | Link for control linkage | Expired / Lapsed | 1969-07-16 | 1971-03-02 | 0 | Details |
| US3502904A | Pulse-frequency to dc converter | Expired / Lapsed | 1967-06-12 | 1970-03-24 | 0 | Details |
| US3496629A | Method for securing tubes to a tube sheet | Expired / Lapsed | 1968-03-18 | 1970-02-24 | 0 | Details |
| US3428248A | Continuous centrifuge apparatus | Expired / Lapsed | 1967-09-26 | 1969-02-18 | 0 | Details |
| US3418236A | Flotation method and apparatus | Expired / Lapsed | 1966-07-18 | 1968-12-24 | 0 | Details |
| US3413778A | Means for separating liquid and gas or gaseous fluid | Expired / Lapsed | 1967-10-17 | 1968-12-03 | 0 | Details |
| US3395657A | Automatic fire control for coal fired furnace | Expired / Lapsed | 1966-08-01 | 1968-08-06 | 0 | Details |
| US3385108A | Net oil computer | Expired / Lapsed | 1966-06-07 | 1968-05-28 | 0 | Details |
| US3352107A | Desalination and power generating system | Expired / Lapsed | 1965-12-17 | 1967-11-14 | 1 | Details |
| US3318328A | Alarm system | Expired / Lapsed | 1965-05-26 | 1967-05-09 | 2 | Details |
| US3283562A | Fluid testing by acoustic wave energy | Expired / Lapsed | 1963-07-16 | 1966-11-08 | 2 | Details |
| US3258053A | Automated burner control | Expired / Lapsed | 1964-05-05 | 1966-06-28 | 2 | Details |
| US3244898A | Power plant system and control therefor | Expired / Lapsed | 1959-12-29 | 1966-04-05 | 2 | Details |
| US3228233A | Increasing the speed and thoroughness and economy of ultras… | Expired / Lapsed | 1962-10-04 | 1966-01-11 | 2 | Details |
| US3212571A | Tube bundle for shell and tube type heat exchanger formed o… | Expired / Lapsed | 1962-12-31 | 1965-10-19 | 2 | Details |
| US3174340A | Thermocouple and thermometer well | Expired / Lapsed | 1960-12-19 | 1965-03-23 | 1 | Details |
| US3130780A | Live steam reheater | Expired / Lapsed | 1960-12-29 | 1964-04-28 | 0 | Details |
| CA667266A | Thermal sleeves for boiler water circulating pumps | Expired / Lapsed | — | 1963-07-23 | 0 | Details |
| US3025596A | Braze bonding of concentric tubes and shells and the like | Expired / Lapsed | 1959-06-26 | 1962-03-20 | 2 | Details |
| US3007022A | Compact pressure induction welding apparatus for portable a… | Expired / Lapsed | 1959-12-09 | 1961-10-31 | 0 | Details |
| US2960662A | Wide range signal level transfer circuit | Expired / Lapsed | 1958-07-08 | 1960-11-15 | 0 | Details |
| US2817499A | Steam generator | Expired / Lapsed | 1955-03-03 | 1957-12-24 | 0 | Details |
| US2805315A | Method of butt welding tubes | Expired / Lapsed | 1955-09-26 | 1957-09-03 | 0 | Details |
| US2697421A | Control for waste heat boilers | Expired / Lapsed | 1952-08-02 | 1954-12-21 | 0 | Details |
| US2650420A | Method and apparatus for brazing aluminum fins to steel tub… | Expired / Lapsed | 1946-12-10 | 1953-09-01 | 0 | Details |
| US2649527A | Butt welding tube ends by induction heating | Expired / Lapsed | 1951-01-18 | 1953-08-18 | 0 | Details |
| US2622669A | Control and indicating means for burner igniter torches | Expired / Lapsed | 1950-11-03 | 1952-12-23 | 0 | Details |
| US2612592A | Control system for electric steam generators | Expired / Lapsed | 1950-10-03 | 1952-09-30 | 0 | Details |
| US2542393A | Apparatus for welding | Expired / Lapsed | 1948-07-30 | 1951-02-20 | 0 | Details |
| US2535569A | Control means for electric steam generators | Expired / Lapsed | 1947-12-23 | 1950-12-26 | 0 | Details |
| US2517477A | Composite wear ring for centrifugal pump impellers | Expired / Lapsed | 1947-12-04 | 1950-08-01 | 0 | Details |
| US2439609A | Control for plural retractable fuel burners | Expired / Lapsed | 1945-05-14 | 1948-04-13 | 0 | Details |
| US2412809A | Corrosion reduction in heat exchangers | Expired / Lapsed | 1945-08-08 | 1946-12-17 | 0 | Details |
| US2393766A | Drying apparatus | Expired / Lapsed | 1942-11-28 | 1946-01-29 | 0 | Details |
| US2300634A | Tube coils | Expired / Lapsed | 1941-04-26 | 1942-11-03 | 0 | Details |
| US2223215A | Mounting device for boiler casings | Expired / Lapsed | 1940-02-02 | 1940-11-26 | 0 | Details |
| US2213052A | Method of and apparatus for the recovery of heat and chemic… | Expired / Lapsed | 1938-03-02 | 1940-08-27 | 0 | Details |
| US2116587A | Regulating means for steam generating plants | Expired / Lapsed | 1937-07-01 | 1938-05-10 | 0 | Details |
| US2099829A | Casing wall construction for boilers | Expired / Lapsed | 1936-07-23 | 1937-11-23 | 0 | Details |