John E. Stachowiak

City:

Houston, Texas

Country:

United States

Published Applications:

Last publication date:

2018-10-18

Top Assignees for applications by John E. Stachowiak

The entities that hold a legal rights for patent applications filed by inventor Stachowiak John E.:

John E. Stachowiak from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Subsurface reciprocating pump for gassy and sandy fluids

Centrifugal separator for downhole pump

Diversion plunger for reciprocating rod pump

On-off tool for sucker rod string

InventorID:

1597878 ⎘