Linde Air Products Co
Linde AirActive Patents
0
Total Holdings
50
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB672853A | Improved control method and apparatus for mechanical copyin… | Expired / Lapsed | 1950-07-12 | — | 0 | Details |
| GB424528A | Method of and apparatus for transferring liquefied gases or… | Expired / Lapsed | 1933-12-14 | — | 0 | Details |
| US2538882A | Welded pipe joint | Expired / Lapsed | 1945-09-20 | 1951-01-23 | 0 | Details |
| US2532421A | Line tracker control | Expired / Lapsed | 1946-06-19 | 1950-12-05 | 0 | Details |
| US2521946A | Fixed time interval line tracker control | Expired / Lapsed | 1949-08-30 | 1950-09-12 | 0 | Details |
| US2518895A | Hand blowpipe | Expired / Lapsed | 1946-10-10 | 1950-08-15 | 0 | Details |
| US2510205A | Inert-gas shielded continuous-feed metal-arc welding appara… | Expired / Lapsed | 1949-02-11 | 1950-06-06 | 0 | Details |
| US2494663A | Self-synchronous cutting machine | Expired / Lapsed | 1944-10-27 | 1950-01-17 | 0 | Details |
| US2488507A | Synthetic star rubies and star sapphires, and process for p… | Expired / Lapsed | 1947-08-27 | 1949-11-15 | 0 | Details |
| US2477041A | Machine for severing and shaping metal plates | Expired / Lapsed | 1945-01-09 | 1949-07-26 | 0 | Details |
| US2468808A | Gas blanketed arc welding | Expired / Lapsed | 1947-03-12 | 1949-05-03 | 0 | Details |
| US2468804A | Fluid-cooled gas blanketed arcwelding torch | Expired / Lapsed | 1945-07-13 | 1949-05-03 | 0 | Details |
| US2453019A | Metal surface conditioning process | Expired / Lapsed | 1947-04-30 | 1948-11-02 | 0 | Details |
| US2438344A | Automatic rod feed for metal removal | Expired / Lapsed | 1945-05-19 | 1948-03-23 | 0 | Details |
| US2432495A | Welding apparatus | Expired / Lapsed | 1944-08-15 | 1947-12-16 | 0 | Details |
| US2429320A | Method of stress-relief of welded structures | Expired / Lapsed | 1944-02-22 | 1947-10-21 | 0 | Details |
| US2428825A | Method of controlling distortion, straightening distorted o… | Expired / Lapsed | 1941-02-27 | 1947-10-14 | 0 | Details |
| US2425710A | Blowpipe nozzle | Expired / Lapsed | 1944-11-01 | 1947-08-19 | 0 | Details |
| US2422251A | Storage of acetylene | Expired / Lapsed | 1941-09-13 | 1947-06-17 | 0 | Details |
| US2418200A | Mineral working apparatus | Expired / Lapsed | 1942-06-13 | 1947-04-01 | 0 | Details |
| US2415912A | Method and apparatus for pressure welding metal members | Expired / Lapsed | 1943-10-29 | 1947-02-18 | 0 | Details |
| US2414511A | Method of and apparatus for cladding metal bodies in transit | Expired / Lapsed | 1941-06-21 | 1947-01-21 | 0 | Details |
| US2414510A | Apparatus for cladding metal bodies | Expired / Lapsed | 1941-05-02 | 1947-01-21 | 0 | Details |
| US2397933A | Line tracker control | Expired / Lapsed | 1943-02-19 | 1946-04-09 | 0 | Details |
| US2363960A | Apparatus for dispensing a liquefied gas | Expired / Lapsed | 1940-12-07 | 1944-11-28 | 0 | Details |
| US2357376A | Electric fillet welding apparatus | Expired / Lapsed | 1943-09-17 | 1944-09-05 | 0 | Details |
| US2348259A | Electric control circuits | Expired / Lapsed | 1942-05-14 | 1944-05-09 | 0 | Details |
| US2340747A | Method and apparatus for pumping volatile liquids with rota… | Expired / Lapsed | 1940-07-13 | 1944-02-01 | 0 | Details |
| US2334301A | Tool-guiding apparatus | Expired / Lapsed | 1941-12-13 | 1943-11-16 | 0 | Details |
| US2331937A | Welding | Expired / Lapsed | 1940-04-17 | 1943-10-19 | 0 | Details |
| US2323977A | Apparatus for conditioning metal bodies | Expired / Lapsed | 1941-10-08 | 1943-07-13 | 0 | Details |
| US2310435A | Method of and apparatus for gas analysis | Expired / Lapsed | 1938-12-02 | 1943-02-09 | 0 | Details |
| US2294392A | Blowpipe nozzle | Expired / Lapsed | 1939-01-14 | 1942-09-01 | 0 | Details |
| US2292543A | Packing for liquid oxygen reciprocating pumps | Expired / Lapsed | 1940-06-18 | 1942-08-11 | 0 | Details |
| US2290295A | Method and apparatus for desurfacing metal | Expired / Lapsed | 1940-11-08 | 1942-07-21 | 0 | Details |
| US2286191A | Mineral piercing and cutting | Expired / Lapsed | 1939-04-18 | 1942-06-16 | 0 | Details |
| US2267623A | Process for producing blowpipe nozzles and product thereof | Expired / Lapsed | 1940-02-29 | 1941-12-23 | 0 | Details |
| US2245651A | Mold coating | Expired / Lapsed | 1940-09-11 | 1941-06-17 | 0 | Details |
| US2229081A | Double-walled vacuum insulated tank car | Expired / Lapsed | 1939-08-19 | 1941-01-21 | 0 | Details |
| US2215576A | Control system for hardening and similar operations | Expired / Lapsed | 1936-05-23 | 1940-09-24 | 0 | Details |
| US2210402A | Method of removing metal from metallic bodies | Expired / Lapsed | 1937-02-27 | 1940-08-06 | 0 | Details |
| US2196902A | Method of heat treating metal bodies | Expired / Lapsed | 1937-08-24 | 1940-04-09 | 0 | Details |
| US2189399A | Electric welding apparatus | Expired / Lapsed | 1937-02-06 | 1940-02-06 | 0 | Details |
| US2186096A | Metal surfacing apparatus | Expired / Lapsed | 1936-07-16 | 1940-01-09 | 0 | Details |
| US2182575A | Electric welding apparatus | Expired / Lapsed | 1937-08-07 | 1939-12-05 | 0 | Details |
| US2178974A | Pressure regulating and reducing apparatus | Expired / Lapsed | 1937-01-15 | 1939-11-07 | 0 | Details |
| US2010456A | Fluid cleaner | Expired / Lapsed | 1932-11-01 | 1935-08-06 | 0 | Details |
| US1994515A | Air conditioning system | Expired / Lapsed | 1933-10-12 | 1935-03-19 | 0 | Details |
| US1939772A | Method of making a welded pipe joint | Expired / Lapsed | 1930-03-21 | 1933-12-19 | 0 | Details |
| US1579141A | Safety pressure-relieving device | Expired / Lapsed | 1922-09-25 | 1926-03-30 | 0 | Details |