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Clife Hermanowski
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Seckach, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Explosion-proof housing having internal pressure reduction
Patent number
11,627,674
Issue date
Apr 11, 2023
R. Stahl Schaltgeräte GmbH
Clife Hermanowski
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Housing having cast pressure relief means
Patent number
11,569,642
Issue date
Jan 31, 2023
R. Stahl Schaltgeräte GmbH
Thorsten Arnhold
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Welded pressure relief device
Patent number
11,291,128
Issue date
Mar 29, 2022
R. Stahl Schaltgeräte GmbH
Thorsten Arnhold
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Explosion-proof housing with inner pressure relief
Patent number
11,252,830
Issue date
Feb 15, 2022
R. Stahl Schaltgeräte GmbH
Thorsten Arnhold
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Explosion-proof housing with inner pressure relief
Patent number
11,015,911
Issue date
May 25, 2021
R. Stahl Schaltgeräte GmbH
Thorsten Arnhold
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
Information
Patent Application
EXPLOSION-PROOF ARRANGEMENT
Publication number
20210308509
Publication date
Oct 7, 2021
R. Stahl Schaltgerate GmbH
Clife HERMANOWSKI
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
HOUSING HAVING CAST PRESSURE RELIEF MEANS
Publication number
20210143617
Publication date
May 13, 2021
R. Stahl Schaltgerate GmbH
Thorsten Arnhold
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FLAME ARRESTER
Publication number
20200179735
Publication date
Jun 11, 2020
R. Stahl Schaltgerate GmbH
Thorsten Arnhold
B32 - LAYERED PRODUCTS
Information
Patent Application
EXPLOSION-PROOF HOUSING WITH INNER PRESSURE RELIEF
Publication number
20200149852
Publication date
May 14, 2020
R. Stahl Schaltgerate GmbH
Thorsten Arnhold
F42 - AMMUNITION BLASTING
Information
Patent Application
EXPLOSION-PROOF HOUSING HAVING INTERNAL PRESSURE REDUCTION
Publication number
20200113076
Publication date
Apr 9, 2020
R. Stahl Schaltgerate GmbH
Clife Hermanowski
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
EXPLOSION-PROOF HOUSING WITH INNER PRESSURE RELIEF
Publication number
20200113075
Publication date
Apr 9, 2020
R. Stahl Schaltgerate GmbH
Thorsten Arnhold
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELDED PRESSURE RELIEF DEVICE
Publication number
20200113071
Publication date
Apr 9, 2020
R. Stahl Schaltgerate GmbH
Thorsten Arnhold
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR