Commonwealth Engineering Company of Ohio
CommonwealActive Patents
0
Total Holdings
50
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3196089A | Method of making honeycomb structures | Expired / Lapsed | 1959-09-15 | 1965-07-20 | 2 | Details |
| US3167656A | Photoelectric machine tool control | Expired / Lapsed | 1960-08-10 | 1965-01-26 | 2 | Details |
| US3138783A | Arrangement for reading out symbolically recorded informati… | Expired / Lapsed | 1961-01-18 | 1964-06-23 | 1 | Details |
| US3025082A | Paper holder | Expired / Lapsed | 1959-10-26 | 1962-03-13 | 0 | Details |
| US2988694A | Automatic fault locator | Expired / Lapsed | 1956-08-06 | 1961-06-13 | 0 | Details |
| CA617654A | Iodo-carboxymethyl dextran and methods of making it | Expired / Lapsed | — | 1961-04-04 | 0 | Details |
| US2933051A | Method and apparatus for pumping | Expired / Lapsed | 1956-04-25 | 1960-04-19 | 0 | Details |
| US2930347A | Vacuum seal for evacuated systems | Expired / Lapsed | 1956-04-13 | 1960-03-29 | 0 | Details |
| US2923642A | Magnetic recording tape | Expired / Lapsed | 1955-10-19 | 1960-02-02 | 2 | Details |
| US2901905A | Portable strain gauge calibrator | Expired / Lapsed | 1955-10-06 | 1959-09-01 | 0 | Details |
| US2898234A | Method of producing composite metallic bodies | Expired / Lapsed | 1953-08-14 | 1959-08-04 | 2 | Details |
| US2888877A | Apparatus for pumping | Expired / Lapsed | 1956-04-19 | 1959-06-02 | 0 | Details |
| US2887088A | Apparatus for gaseous metal plating fibers | Expired / Lapsed | 1954-08-16 | 1959-05-19 | 0 | Details |
| US2881518A | Continuous gas plated metal article | Expired / Lapsed | 1956-11-23 | 1959-04-14 | 0 | Details |
| US2880115A | Method of gas plating light metals | Expired / Lapsed | 1955-07-13 | 1959-03-31 | 2 | Details |
| US2878666A | Lightweight ceramic tiles | Expired / Lapsed | 1953-10-14 | 1959-03-24 | 0 | Details |
| US2875588A | Preservation of red blood cells | Expired / Lapsed | 1953-06-11 | 1959-03-03 | 2 | Details |
| US2862076A | Speed signal device | Expired / Lapsed | 1956-11-30 | 1958-11-25 | 0 | Details |
| US2854028A | Variable surge chamber and/or accumulator | Expired / Lapsed | 1955-09-29 | 1958-09-30 | 0 | Details |
| US2847330A | Method and apparatus for gas plating printing circuits | Expired / Lapsed | 1954-07-28 | 1958-08-12 | 2 | Details |
| US2817141A | Composite metal structure | Expired / Lapsed | 1955-08-31 | 1957-12-24 | 2 | Details |
| US2790731A | Method and apparatus for the production of electrically res… | Expired / Lapsed | 1953-12-14 | 1957-04-30 | 2 | Details |
| US2789427A | Apparatus for generating predetermined strains in strain ga… | Expired / Lapsed | 1954-02-02 | 1957-04-23 | 0 | Details |
| US2767464A | Composite metallic bodies and method of producing the same | Expired / Lapsed | 1952-10-24 | 1956-10-23 | 2 | Details |
| US2760261A | Method of bonding articles | Expired / Lapsed | 1952-04-17 | 1956-08-28 | 2 | Details |
| US2754465A | Electric motor control for power steering | Expired / Lapsed | 1952-06-07 | 1956-07-10 | 0 | Details |
| US2748774A | Collagen strands and method of treating | Expired / Lapsed | 1953-12-17 | 1956-06-05 | 1 | Details |
| US2746134A | Duplex metal sheet or article | Expired / Lapsed | 1953-05-22 | 1956-05-22 | 2 | Details |
| US2685532A | Gas plating with chromium hexacarbonyl | Expired / Lapsed | 1951-10-08 | 1954-08-03 | 2 | Details |
| US2685535A | Method and apparatus for deposition of materials by thermal… | Expired / Lapsed | 1951-02-01 | 1954-08-03 | 1 | Details |
| US2685121A | Method and apparatus for manufacture of metal films | Expired / Lapsed | 1949-05-07 | 1954-08-03 | 0 | Details |
| US2682702A | Carbonyl metal plated product | Expired / Lapsed | 1949-04-06 | 1954-07-06 | 0 | Details |
| US2674231A | Power pack for massage suits | Expired / Lapsed | 1952-01-02 | 1954-04-06 | 0 | Details |
| US2674517A | Dextran filament manufacture | Expired / Lapsed | 1951-08-08 | 1954-04-06 | 2 | Details |
| US2672836A | Blankholder arrangement for presses | Expired / Lapsed | 1949-09-15 | 1954-03-23 | 0 | Details |
| US2657457A | Continuous metal production and continuous gas plating | Expired / Lapsed | 1949-09-10 | 1953-11-03 | 0 | Details |
| US2656284A | Method of plating rolled sheet metal | Expired / Lapsed | 1949-09-07 | 1953-10-20 | 2 | Details |
| US2638423A | Method and apparatus for continuously plating irregularly s… | Expired / Lapsed | 1949-08-25 | 1953-05-12 | 2 | Details |
| US2624768A | Dextran battery separator plate | Expired / Lapsed | 1951-07-23 | 1953-01-06 | 2 | Details |
| US2619433A | Method of gas plating | Expired / Lapsed | 1949-07-14 | 1952-11-25 | 2 | Details |
| US2592081A | Method of making containers | Expired / Lapsed | 1949-03-26 | 1952-04-08 | 2 | Details |
| US2586275A | Process of making layered sponge products of varying densit… | Expired / Lapsed | 1949-09-10 | 1952-02-19 | 2 | Details |
| US2580976A | Apparatus for plating metal strips | Expired / Lapsed | 1950-07-29 | 1952-01-01 | 0 | Details |
| US2576289A | Dynamic pyrolytic plating process | Expired / Lapsed | 1949-12-02 | 1951-11-27 | 2 | Details |
| US2576198A | Windshield sprayer | Expired / Lapsed | 1949-02-10 | 1951-11-27 | 0 | Details |
| US2567952A | Method of making sponge rubber | Expired / Lapsed | 1948-05-21 | 1951-09-18 | 2 | Details |
| US2549864A | Continuous process for making sponge rubber | Expired / Lapsed | 1948-06-12 | 1951-04-24 | 2 | Details |
| US2475601A | Bonding of metal carbonyl deposits | Expired / Lapsed | 1946-04-26 | 1949-07-12 | 0 | Details |
| US2332309A | Gaseous metal deposition | Expired / Lapsed | 1940-05-20 | 1943-10-19 | 0 | Details |
| US2267001A | Method and apparatus for drying paint | Expired / Lapsed | 1940-12-16 | 1941-12-23 | 0 | Details |