Frank Hollmann

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Biberbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Simplified method for pretreating metal substrates for cold forming...
- Patent number 12,139,690
- Issue date Nov 12, 2024
- Chemetall GmbH
- Frank Hollmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for specifically adjusting the electrical conductivity of co...
- Patent number 11,492,707
- Issue date Nov 8, 2022
- Chemetall GmbH
- Olaf Dahlenburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for nickel-free phosphating metal surfaces
- Patent number 10,738,383
- Issue date Aug 11, 2020
- Chemetall GmbH
- Olaf Dahlenburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for preparing shaped metal bodies for cold working
- Patent number 10,392,705
- Issue date Aug 27, 2019
- Chemetall GmbH
- Benjamin Güttler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SIMPLIFIED METHOD FOR PRETREATING METAL SUBSTRATES FOR COLD FORMING...
- Publication number 20220119730
- Publication date Apr 21, 2022
- CHEMETALL GMBH
- Frank Hollmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF C...
- Publication number 20180334748
- Publication date Nov 22, 2018
- CHEMETALL GMBH
- Olaf Dahlenburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR NICKEL-FREE PHOSPHATING METAL SURFACES
- Publication number 20180112313
- Publication date Apr 26, 2018
- CHEMETALL GMBH
- Olaf Dahlenburg
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF C...
- Publication number 20180112314
- Publication date Apr 26, 2018
- CHEMETALL GMBH
- Olaf Dahlenburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method For Preparing Shaped Metal Bodies For Cold Working
- Publication number 20160265116
- Publication date Sep 15, 2016
- CHEMETALL GMBH
- Benjamin Güttler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...