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Thomas STEIGERWALD
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Chicago, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Non-collapsible flexible sealing membrane and seal assembly for rot...
Patent number
12,055,222
Issue date
Aug 6, 2024
John Crane Inc.
Darin Merrill Rasmussen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Non-collapsible flexible sealing membrane and seal assembly for rot...
Patent number
11,473,680
Issue date
Oct 18, 2022
John Crane Inc.
Darin Merrill Rasmussen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Non-collapsible flexible sealing membrane and seal assembly for rot...
Patent number
10,634,250
Issue date
Apr 28, 2020
John Crane Inc.
Darin Rasmussen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanical seal with banded ring
Patent number
7,857,319
Issue date
Dec 28, 2010
John Crane Inc.
Thomas Steigerwald
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SEAL FLUSH COOLER ASSEMBLY FOR ROTARY SHAFT EQUIPMENT SEALS
Publication number
20240183361
Publication date
Jun 6, 2024
John Crane Inc.
Thomas Steigerwald
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROTARY SHAFT EQUIPMENT
Publication number
20230265927
Publication date
Aug 24, 2023
John Crane Inc.
Brian Kalfrin
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
NON-COLLAPSIBLE FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROT...
Publication number
20230028905
Publication date
Jan 26, 2023
John Crane Inc.
Darin Merrill Rasmussen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
NON-COLLAPSIBLE FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROT...
Publication number
20200232562
Publication date
Jul 23, 2020
John Crane Inc.
Darin Merrill Rasmussen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
NON-COLLAPSIBLE FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROT...
Publication number
20180017161
Publication date
Jan 18, 2018
John Crane Inc.
Darin Rasmussen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
MECHANICAL SEAL WITH BANDED RING
Publication number
20070284830
Publication date
Dec 13, 2007
John Crane Inc.
Thomas STEIGERWALD
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...