PS

Peter L. Sigwardt

Chevron: 5 patents #897 of 4,788Top 20%
GO Getty Oil: 1 patents #5 of 14Top 40%
Overall (All Time): #890,391 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5421209 Measurement of steam quality and mass flow rate Clifford L. Redus, James W. Scott, Sze-Foo Chien 1995-06-06
5199496 Subsea pumping device incorporating a wellhead aspirator Clifford L. Redus 1993-04-06
5141055 Method and apparatus for controlling the mass flow rate of steam in steam distribution systems Sze-Foo Chien, Joseph A. Anderson, Clifford L. Redus, James W. Scott 1992-08-25
4836032 Method of determining the quality of steam for stimulating hydrocarbon production Clifford L. Redus, Sze-Foo Chien 1989-06-06
4681466 Method for determining quality of reduced quality steam Sze-Foo Chien, Clifford L. Redus 1987-07-21
4512187 Flow rate controller 1985-04-23