Average Co-Inventor Count = 1.69
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Leybold Aktiengesellschaft (6 from 393 patents)
2. Leybold Vakuum Gmbh (3 from 53 patents)
3. Inficon Gmbh (2 from 182 patents)
4. Balzers Und Leybold Deutschland Holding Ag (1 from 25 patents)
5. Leybold Vakuun Gmbh (1 from 1 patent)
13 patents:
1. 7107821 - Leak indicator with test leak and test leak for integration into a leak indicator
2. 7082813 - Test gas leakage detector
3. 6277177 - Gas passage with selectively acting penetration surface and process for producing the penetration surface
4. 6030189 - Friction vacuum pump with intermediate inlet
5. 6021663 - Process and leak detector for inspecting a plurality of similar test
6. 5974864 - Leak detector with back-up pump
7. 5907092 - Countercurrent sniffing leak detector
8. 5900537 - Test gas leakage detector
9. 5880357 - Leak detector with vacuum pumps and operating process for same
10. 5821404 - Test gas leak indicator
11. 5708194 - Test gas leak detector
12. 5661229 - Test gas detector, preferably for leak detectors, and process for
13. 5585548 - Counterflow leak-detector unit with a high-vacuum pump