John J. Borzym
45Patents
12h-index
7Co-inventors
74Inventor score
Filing activity: Mar 31, 1975 → Oct 8, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5474227A | Method of forming seamed metal tube | Chemistry; Metallurgy | 33 | Expired |
| US4294147A | Tube cutting apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4337680A | Die jaw members for tube cutoff apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4872384A | Tube cutting apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5344062A | Method of forming seamed metal tube | Performing Operations; Transporting | 20 | Expired |
| US5732874A | Method of forming seamed metal tube | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4457200A | Method for cutting heavy wall tube | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4301723A | Cylinder operated swinging ram cutoff press | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6018859A | Method of forming seamed metal tube | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4411182A | Belt driven flying cutoff apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4848723A | Overload protector for clamping jaw mechanism | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5860204A | Continuous tube forming and coating | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4193486A | Double dump runout table | Performing Operations; Transporting | 12 | Expired |
| US4437374A | Tube cutting apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4766792A | Cut-off die set | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4646601A | Indexible cross-cut blade and blade holder for tube cut-off machines | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4376401A | Bevel gear drive with means to control backlash for flying ram cutoff machine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5915421A | Method of forming seamed metal tube | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4542670A | Cutoff die set seat accelerator using rotary to linear motion converter | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4499803A | Double cut die set with improved pull-across notching feature | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4909110A | Tube clamping apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4228706A | Swinging ram cut-off machine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4932297A | Cut-off die set | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4624168A | Apparatus for cutting heavy wall tube | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4315449A | Cam operated cutoff machine | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.