All Patents of Type: flange wrenches |
Patents 1 -
11
of 11
|
Number | Date | Patentee | Title | Type |
411,807 | Oct. 01, 1889 | J.F. Guthrie, Jr. | Flange Wrench | flange wrenches |
466,232 | Dec. 29, 1891 | P.G. Metzler, E. Harper | Flange Wrench | flange wrenches |
487,331 | Dec. 06, 1892 | J.W. Kellam | Adjustable Flange Wrench | flange wrenches |
494,310 | Mar. 28, 1893 | J. Wenning | Combined Pipe Wrench, Monkey Wrench and Flange Holder | pipe and nut combination wrenches |
499,742 | Jun. 20, 1893 | J.W. Kellam | Improvement in Adjustable Flange-Wrenches | flange wrenches |
RE11,394 | Dec. 05, 1893 | J.W. Kellam | Adjustable Flange Wrench | flange wrenches |
CA-44,957 | Dec. 26, 1893 | J.W. Kellam | Wrench | flange wrenches |
542,922 | Jul. 16, 1895 | W.H. Brock | Flange Wrench | flange wrenches |
790,853 | May 23, 1905 | J.F. Reddy | Flange Wrench | flange wrenches |
1,152,885 | Sep. 07, 1915 | C.G. Dennis | Wrench For Flange Unions | flange wrenches |
1,677,637 | Jul. 17, 1928 | W.H. Jones | Pipe Flange Wrench | flange wrenches |