Alpha Industries, Inc.
51Patents
0Active
51Granted
36Portfolio score
Filing activity: Mar 31, 1975 → Nov 3, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4108029A | Cut-off die set | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4673945A | Backfire antenna feeding | Electricity | 24 | Expired |
| US4457200A | Method for cutting heavy wall tube | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4055100A | Severing knife for tube cutoff apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4157550A | Microwave detecting device with microstrip feed line | Electricity | 14 | Expired |
| US4109555A | Universal double cut die set | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4905071A | Monolithic series-shunt diode switch | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5231908A | Apparatus for mounting a shearing blade | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4644096A | Surface mounting package | Electricity | 13 | Expired |
| US4193486A | Double dump runout table | Performing Operations; Transporting | 12 | Expired |
| US4036091A | Universal double cut 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 |
| US4766792A | Cut-off die set | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5383381A | Double cut die set | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5074143A | Cart for removing and installing dies in a cut-off press | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4228706A | Swinging ram cut-off machine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4499803A | Double cut die set with improved pull-across notching feature | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4964325A | Cut-off machine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4222014A | Microwave/millimeterwave oscillator using transferred electron device | Electricity | 8 | Expired |
| US4932297A | Cut-off die set | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4309677A | "Microstrip ""T"" type attenuator network" | Electricity | 7 | Expired |
| US4624168A | Apparatus for cutting heavy wall tube | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4734749A | Semiconductor mesa contact with low parasitic capacitance and resistance | Electricity | 6 | Expired |
| US4055096A | Die set for cutting I-beam | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5224638A | Induction severing apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.