in conjunction with steam or gas power

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Adjustable hydraulic press with both upper and lower double action
- Patent number 8,082,771
- Issue date Dec 27, 2011
- Jilin University
- Yuquan Song
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3776020
- Patent number 3,776,020
- Issue date Dec 4, 1973
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3732691
- Patent number 3,732,691
- Issue date May 15, 1973
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3707866
- Patent number 3,707,866
- Issue date Jan 2, 1973
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
2673552
- Patent number 2,673,552
- Issue date Mar 30, 1954
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
2528472
- Patent number 2,528,472
- Issue date Oct 31, 1950
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
1346198
- Patent number 1,346,198
- Issue date Jul 13, 1920
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...