TRI TOOL INC.
80Patents
10Active
80Granted
37Portfolio score
Filing activity: Mar 3, 1978 → Oct 23, 2018 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7170032B2 | Process for welding | Performing Operations; Transporting | 91 | Expired |
| US6492618B1 | Automatic weld head alignment and guidance system and method | Physics | 85 | Expired |
| US4829860A | Segmented sliding bearing arrangement for portable lathe | Emerging Cross-Sectional Technologies | 73 | Expired |
| US4418591A | Pipe end preparation and cutoff tool | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6335511B1 | Control method and apparatus for an arc welding system | Performing Operations; Transporting | 42 | Expired |
| US5368399A | Adjustable bearing assembly | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5686002A | Method of welding | Performing Operations; Transporting | 40 | Expired |
| US4483223A | Portable lathe | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4802278A | Gear driven tube cutter | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4437366A | Tool carrier for portable lathe | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5429021A | Elliptical manway cutter | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6966731B2 | Cutting tool and track guidance system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4890385A | Automatic feed system for a tube cutter | Performing Operations; Transporting | 29 | Expired |
| US7270505B2 | Cutting and beveling tool | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5941145A | Tube squaring tool | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4872249A | Tool support and guide system for repair of boiler tube panels and process for carrying out repair using same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4459883A | Portable machine tool for preparing pipe joints for welding | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4754672A | Segmented sliding bearing arrangement for portable lathe | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6794608B2 | Welding current control system and method | Performing Operations; Transporting | 22 | Expired |
| US4646413A | Tube extractor drill jig | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4614136A | Angularly adjustable mandrel assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4667548A | End preparation tool for pipe fittings | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4665782A | Bearing arrangement for portable lathe | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD309563S | Tube cutter | General | 16 | Expired |
| US4483522A | Adjustable mandrel for supporting tubular workpieces | Emerging Cross-Sectional Technologies | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.