Average Co-Inventor Count = 4.22
ph-index = 4
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. Other (2 from 832,812 patents)
2. Voroshilovgradsky Mashinostroitelny Institut (2 from 3 patents)
3. Voroshilovgradsky Mashinostroitelny Instit (1 from 1 patent)
5 patents:
1. 4671487 - Gate valve
2. 4635900 - Gate valve
3. 4534540 - Gate valve
4. 4506865 - Valve housing
5. 4505452 - Gate valve