Otto Walch

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Gerabronn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Explosion-proof housing and method for the assembly thereof
- Patent number 12,171,069
- Issue date Dec 17, 2024
- R. Stahl Schaltgeräte GmbH
- Elena Kondrus
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Explosion-proof housing with split cover
- Patent number 12,053,657
- Issue date Aug 6, 2024
- R. Stahl Schaltgeräte GmbH
- Elena Kondrus
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Explosion-proof housing
- Patent number 11,969,613
- Issue date Apr 30, 2024
- R. Stahl Schaltgeräte GmbH
- Elena Kondrus
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Flameproof housing
- Patent number 11,690,181
- Issue date Jun 27, 2023
- R. Stahl Schaltgeräte GmbH
- Elena Kondrus
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Flameproof pressure-tight encapsulated housing with cooling device
- Patent number 9,414,522
- Issue date Aug 9, 2016
- R. Stahl Schaltgeräte GmbH
- Otto Walch
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
EXPLOSION-PROOF HOUSING AND METHOD FOR THE ASSEMBLY THEREOF
- Publication number 20220201872
- Publication date Jun 23, 2022
- R. Stahl Schaltgerate GmbH
- Elena KONDRUS
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
EXPLOSION-PROOF HOUSING
- Publication number 20210170210
- Publication date Jun 10, 2021
- R. Stahl Schaltgerate GmbH
- Elena KONDRUS
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
EXPLOSION-PROOF HOUSING WITH SPLIT COVER
- Publication number 20210154504
- Publication date May 27, 2021
- R. Stahl Schaltgerate GmbH
- Elena KONDRUS
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
FLAMEPROOF HOUSING
- Publication number 20210120682
- Publication date Apr 22, 2021
- R. Stahl Schaltgerate GmbH
- Elena KONDRUS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRESSURE-TIGHT ENCAPSULATED HOUSING WITH COOLING DEVICE
- Publication number 20140328022
- Publication date Nov 6, 2014
- Otto Walch
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR