Sharon, Massachusetts
United States
3
2005-10-20
The entities that hold a legal rights for patent applications filed by inventor Carr Robert B.:
Robert B. Carr from Sharon, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Conical piston solids discharge and pumping centrifugal separator
#2 | 2005-10-20Conical piston solids discharge centrifugal separator
#3 | 2005-01-13Centrifugal separator with scraper or piston for discharging solids
4766446 ⎘