having a variable burning surface

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Patents Grantslast 30 patents

Information Patent Grant
2365933
- Patent number 2,365,933
- Issue date Dec 26, 1944
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2335549
- Patent number 2,335,549
- Issue date Nov 30, 1943
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2263403
- Patent number 2,263,403
- Issue date Nov 18, 1941
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2258280
- Patent number 2,258,280
- Issue date Oct 7, 1941
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1991815
- Patent number 1,991,815
- Issue date Feb 19, 1935
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1841374
- Patent number 1,841,374
- Issue date Jan 19, 1932
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1679692
- Patent number 1,679,692
- Issue date Aug 7, 1928
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1669175
- Patent number 1,669,175
- Issue date May 8, 1928
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1619842
- Patent number 1,619,842
- Issue date Mar 8, 1927
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES