Brian Kalfrin

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Pearland, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
DRIVE RING FOR ROTARY SHAFT EQUIPMENT SEALS
- Publication number 20250223972
- Publication date Jul 10, 2025
- John Crane Inc.
- Brian Kalfrin
- 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...