Valdunes
🏢 View company profile →8Patents
0Active
8Granted
27Portfolio score
Filing activity: Jun 29, 1992 → Nov 19, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5363702A | Device for inspecting the rim of a railway wheel | Physics | 6 | Expired |
| US5702141A | Polyblock railway wheel | Performing Operations; Transporting | 5 | Expired |
| US5503019A | Method and apparatus for ultrasonically inspecting the surface of the bore of a railroad wheel axle | Physics | 4 | Expired |
| US5349861A | Device for automatically measuring the residual stresses in the rim of one wheel of a railway wheelset | Physics | 4 | Expired |
| US5527079A | Method for determining the outline of the axial section of a wheel and wheel made thereby | Performing Operations; Transporting | 3 | Expired |
| US6679535B2 | Safety wheel, method of manufacturing such a wheel and bogie equipped with such a wheel | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5957519A | Out of gauge resistant railroad wheel | Chemistry; Metallurgy | 1 | Expired |
| US5913988A | Out of gauge resistant railroad wheel | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.