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tbattaglia

05/07/21 11:50 PM

#45498 RE: Brouski #45495

yea thats interesting.

I see the patent date is 2/2/21 but also Sherman Pumps LLC became inactive 01/15/21.

https://opencorporates.com/companies/us_tx/0803178585

possible Sherman stopped trying to sell its own design and predominant pumps has the sole license to sell pumps with that patented design.

tbattaglia

05/08/21 12:08 AM

#45500 RE: Brouski #45495

Sami also has a patent on an "turbomachine multiphase hyrdrocarbon pump having an auger coupling "

https://www.patentguru.com/US2018258749A1
https://www.patentguru.com/US2018003022A1

here is a similar or same type of pump designed by sami assigned to:
BCRT TECHNOLOGY LLC

which sami owns:
https://opencorporates.com/companies/us_tx/0801867814