Testing Machines, Inc.
11Patents
4Active
11Granted
35Portfolio score
Filing activity: May 26, 1988 → Feb 24, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6539809B1 | Test apparatus for measuring stresses and strains | Physics | 14 | Expired |
| US6370962B1 | Dynamic high speed tensile tester | Physics | 12 | Expired |
| US4928533A | Burst testing apparatus | Physics | 4 | Expired |
| USD315690S | Instrument for testing the burst strength of sheet material | General | 3 | Expired |
| US8463560B2 | Method and apparatus for measuring properties of board products | Physics | 3 | Active |
| US6119505A | Apparatus and method for testing static and kinetic frictional coefficients of a sheet material | Physics | 2 | Expired |
| US8131483B2 | Yarn entanglement strength tester | Physics | 2 | Active |
| US6116076A | Method for testing static and kinetic frictional coefficients of a sheet material | Physics | 1 | Expired |
| US8146327B2 | Split crimper for heat sealing packaging material | Emerging Cross-Sectional Technologies | 1 | Active |
| US4802366A | Apparatus and process for impact testing of plastics | Physics | 1 | Expired |
| US8387344B2 | Split crimper for heat sealing packaging material | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.