Inventor
CLARK MARK A
US18 patents
⚠️ This page may combine multiple inventors who share the name “CLARK MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON CO
7 patentsUS4916631AApr 10, 1990
Process control system using remote computer and local site control computers for mixing a proppant with a fluid
HALLIBURTON CO82 citations95
US4751648AJun 14, 1988
Local area network data transfer system
HALLIBURTON CO104 citations94
US5014218AMay 7, 1991
Using a remote control computer connected to a vocal control computer and a monitor computer
HALLIBURTON CO37 citations91
US4953097AAug 28, 1990
Process control system using remote computer and local site control computers for mixing a proppant with a fluid
HALLIBURTON CO38 citations91
US4886367ADec 12, 1989
Apparatus for adding a selected additive into a mixture
HALLIBURTON CO47 citations89
US5355951AOct 18, 1994
Method of evaluating oil or gas well fluid process
HALLIBURTON CO26 citations88
US4918659AApr 17, 1990
Apparatus and method for adding a selected additive into a mixture
HALLIBURTON CO19 citations70
NIBCO
4 patentsUS5740831AApr 21, 1998
Frostproof hydrant seal
NIBCO49 citations87
US9441765B2Sep 13, 2016
Lead-free high temperature/pressure piping components and methods of use
NIBCO0 citations47
US9217521B2Dec 22, 2015
Lead-free high temperature/pressure piping components and methods of use
NIBCO0 citations47
US8991787B2Mar 31, 2015
Lead-free high temperature/pressure piping components and methods of use
NIBCO0 citations47