including perforations

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

Industries

Patents Grantslast 30 patents

Information Patent Grant
Isolation and flow direction/control plates for a heat exchanger
- Patent number 6,866,093
- Issue date Mar 15, 2005
- Honeywell International Inc.
- Rajanikant Jonnalagadda
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger of the tube and plate type
- Patent number 4,382,467
- Issue date May 10, 1983
- American Precision Industries Inc.
- Maurice R. Garrison
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
3526275
- Patent number 3,526,275
- Issue date Sep 1, 1970
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
3450199
- Patent number 3,450,199
- Issue date Jun 17, 1969
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
1833871
- Patent number 1,833,871
- Issue date Nov 24, 1931
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
1713456
- Patent number 1,713,456
- Issue date May 14, 1929
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
1662143
- Patent number 1,662,143
- Issue date Mar 13, 1928
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
1144235
- Patent number 1,144,235
- Issue date Jun 22, 1915
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
708647
- Patent number 708,647
- Issue date Sep 9, 1902
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
150952
- Patent number 150,952
- Issue date May 19, 1874
- F28 - HEAT EXCHANGE IN GENERAL