Inficon Leybold-Heraeus
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Jan 30, 1976 → May 27, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4036167A | Apparatus for monitoring vacuum deposition processes | Chemistry; Metallurgy | 20 | Expired |
| US4221964A | Control system for mass spectrometer | Electricity | 16 | Expired |
| US4672203A | Two stage valve for use in pressure converter | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4164861A | Leak standard generator | Physics | 12 | Expired |
| US4381894A | Deposition monitor and control system | Chemistry; Metallurgy | 12 | Expired |
| US4171341A | Solid state sensor | Physics | 11 | Expired |
| US4692630A | Wavelength specific detection system for measuring the partial pressure of a gas excited by an electron beam | Physics | 9 | Expired |
| US4335961A | Refractive index measurement of optical thin-film | Physics | 6 | Expired |
| US4203199A | Solid state sensor | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.