Zdenek Riha

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Kohoutovice, CZ

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive head with clean gas infeed
- Patent number 11,712,782
- Issue date Aug 1, 2023
- Jiri Mestanek
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive heads with inserted jet
- Patent number 11,628,540
- Issue date Apr 18, 2023
- Jiri Mestanek
- B24 - GRINDING POLISHING
Information Patent Grant
Multi-jet abrasive head
- Patent number 11,396,084
- Issue date Jul 26, 2022
- Jiri Mestanek
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Abrasive heads with inserted jet
- Publication number 20190366508
- Publication date Dec 5, 2019
- PTV, spol. s r.o.
- Jiri Mestanek
- B24 - GRINDING POLISHING
Information Patent Application
Abrasive head with clean gas infeed
- Publication number 20190366509
- Publication date Dec 5, 2019
- PTV, spol. s r.o.
- Jiri Mestanek
- B24 - GRINDING POLISHING
Information Patent Application
Multi-jet abrasive head
- Publication number 20190283213
- Publication date Sep 19, 2019
- PTV, spol. s.r.o.
- Jiri Mestanek
- B24 - GRINDING POLISHING