Tom Steigerwald — 3 Patents at John Crane

Tom Steigerwald has been granted 3 US patents while listed as an inventor at John Crane. The first was granted in 2020 and the most recent in August 2024. Tom Steigerwald ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tom Steigerwald in Chicago, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12055222	Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment	Darin Merrill Rasmussen, Syed Niamathullah, Dan Kozlowski, James R. Wasser, Michael G. Kalodimos	2024-08-06	$18,734,000
11473680	Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment	Darin Merrill Rasmussen, Syed Niamathullah, Dan Kozlowski, James R. Wasser, Michael G. Kalodimos	2022-10-18	$14,326,000
10634250	Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment	Darin Merrill Rasmussen, Syed Niamathullah, Dan Kozlowski, James R. Wasser, Michael G. Kalodimos	2020-04-28	$18,679,000

Tom Steigerwald — 3 Patents

Issued Patents All Time

Patent Widget