Inventor
HELMS DAVID A
US12 patents
⚠️ This page may combine multiple inventors who share the name “HELMS DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXACO INC
10 patentsUS4499418AFeb 12, 1985
Water cut monitoring means and method
TEXACO INC74 citations95
US5014010AMay 7, 1991
Dual frequency microwave water cut monitoring means and method
TEXACO INC43 citations92
US4947127AAug 7, 1990
Microwave water cut monitor
TEXACO INC54 citations92
US4660414AApr 28, 1987
Petroleum stream monitoring means and method
TEXACO INC31 citations92
US5483171AJan 9, 1996
Determination of water cut and gas-fraction in oil/water/gas streams
TEXACO INC8 citations73
US5473256ADec 5, 1995
Combination microwave waveguide and pressure barrier
TEXACO INC8 citations73
US5315117AMay 24, 1994
Volume meter system
TEXACO INC9 citations73
US4947129AAug 7, 1990
Petroleum stream microwave watercut monitor
TEXACO INC11 citations73
US5412326AMay 2, 1995
Means and method for analyzing a petroleum stream
TEXACO INC7 citations72
US4977377ADec 11, 1990
Microwave water cut monitor with temperature controlled test cell
TEXACO INC11 citations71