Bethlehem Steel Corp
BethlehemActive Patents
0
Total Holdings
34
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4435093A | Pyrometer with sighting window cleanliness monitor | Expired / Lapsed | 1981-12-08 | 1984-03-06 | 10 | Details |
| US4033183A | Horizontal- and vertical-roll force measuring system | Expired / Lapsed | 1976-10-08 | 1977-07-05 | 11 | Details |
| US3725994A | Method of shrinking collars on a shaft | Expired / Lapsed | 1970-08-06 | 1973-04-10 | 3 | Details |
| US3457717A | Plastic coated cable and method of making same | Expired / Lapsed | 1968-08-02 | 1969-07-29 | 0 | Details |
| US3382707A | Apparatus for ultrasonically scanning a tubular member | Expired / Lapsed | 1965-04-27 | 1968-05-14 | 0 | Details |
| US3374088A | Method for producing low silicon ferromanganese alloys | Expired / Lapsed | 1966-02-16 | 1968-03-19 | 2 | Details |
| US3295310A | Wire rope particularly useful for independent wire rope core | Expired / Lapsed | 1964-03-27 | 1967-01-03 | 2 | Details |
| US3263086A | Pinhole detectors | Expired / Lapsed | 1963-05-03 | 1966-07-26 | 2 | Details |
| US3248602A | Method of spectrographic analysis | Expired / Lapsed | 1960-10-04 | 1966-04-26 | 2 | Details |
| US3067551A | Grinding method | Expired / Lapsed | 1958-09-22 | 1962-12-11 | 0 | Details |
| US2943434A | Splice and method of making the same | Expired / Lapsed | 1956-03-16 | 1960-07-05 | 0 | Details |
| US2927871A | Control of pickling baths | Expired / Lapsed | 1956-03-26 | 1960-03-08 | 2 | Details |
| US2893926A | Combined flash type distilling plant and back-pressure turb… | Expired / Lapsed | 1957-06-13 | 1959-07-07 | 2 | Details |
| US2807537A | Method of controlling the partial blowing of bessemer steel | Expired / Lapsed | 1954-11-01 | 1957-09-24 | 2 | Details |
| US2801161A | Process for operating a bessemer converter | Expired / Lapsed | 1956-04-30 | 1957-07-30 | 2 | Details |
| US2745535A | Beam turning device | Expired / Lapsed | 1949-10-21 | 1956-05-15 | 0 | Details |
| US2697650A | Process for treating chromium and vanadium bearing material | Expired / Lapsed | 1952-11-19 | 1954-12-21 | 1 | Details |
| US2669434A | Stockyard fence | Expired / Lapsed | 1952-02-01 | 1954-02-16 | 0 | Details |
| US2463427A | Immersion thermocouple | Expired / Lapsed | 1946-02-07 | 1949-03-01 | 0 | Details |
| US2445152A | Shipping package | Expired / Lapsed | 1943-02-25 | 1948-07-13 | 0 | Details |
| US2356450A | Steel | Expired / Lapsed | 1942-02-28 | 1944-08-22 | 0 | Details |
| US2229638A | Inspecting apparatus | Expired / Lapsed | 1938-08-03 | 1941-01-28 | 0 | Details |
| US2123355A | Measurement of eccentricity of hollow shafting | Expired / Lapsed | 1936-04-15 | 1938-07-12 | 0 | Details |
| US2049265A | Sucker rod coupling | Expired / Lapsed | 1932-07-05 | 1936-07-28 | 0 | Details |
| US2036034A | Method of making grooved wire | Expired / Lapsed | 1933-11-25 | 1936-03-31 | 0 | Details |
| US1956552A | Coating mold | Expired / Lapsed | 1931-12-11 | 1934-05-01 | 0 | Details |
| US1893009A | Charge calculator | Expired / Lapsed | 1929-09-21 | 1933-01-03 | 0 | Details |
| US1875111A | Tension controlling device | Expired / Lapsed | 1929-09-12 | 1932-08-30 | 0 | Details |
| US1749723A | Ingot stripper | Expired / Lapsed | 1928-08-23 | 1930-03-04 | 0 | Details |
| US1736539A | Welded and calked body and process of producing same | Expired / Lapsed | 1927-10-14 | 1929-11-19 | 0 | Details |
| US1602037A | Ammunition for trench mortars | Expired / Lapsed | 1924-02-05 | 1926-10-05 | 0 | Details |
| US1580894A | Press construction | Expired / Lapsed | 1923-01-18 | 1926-04-13 | 0 | Details |
| US1533236A | Process of locally heat-treating hardened-steel articles | Expired / Lapsed | 1921-12-09 | 1925-04-14 | 0 | Details |
| US846266A | Multiple-pressure system. | Expired / Lapsed | 1905-11-22 | 1907-03-05 | 0 | Details |