Inventor
HALL RICHARD E
US15 patents
⚠️ This page may combine multiple inventors who share the name “HALL RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FMC CORP
10 patentsUS4664896AMay 12, 1987
Process for purifying yellow phosphorus
FMC CORP19 citations81
US4379132AApr 5, 1983
Process for sodium hypophosphite
FMC CORP9 citations72
US3984342AOct 5, 1976
Process for agglomerating sodium carbonate peroxide
FMC CORP12 citations72
US4804526AFeb 14, 1989
Process for purifying phosphoric acid for electrical semiconductor use
FMC CORP9 citations67
US4783328ANov 8, 1988
Utilization of phosphourus containing by-products
FMC CORP2 citations62
US3954952AMay 4, 1976
Continuous chemical process for the manufacture of sodium and potassium peroxydisulfate
FMC CORP6 citations61
US4751066AJun 14, 1988
Process for preparing alkali metal phosphate
FMC CORP5 citations57
US5006319AApr 9, 1991
Process for removing iron, chromium and vanadium from phosphoric acid
FMC CORP5 citations54
US4275202AJun 23, 1981
Production of a purified cyanuric acid dihydrate
FMC CORP0 citations50
US4780295AOct 25, 1988
Process for purifying phosphoric acid
FMC CORP1 citations46
AUTOMATED BATTING CAGES
2 patentsUS6152126ANov 28, 2000
Batting cage with user interactive selection of ball speed and strike zone with pitch height indicator lamps
AUTOMATED BATTING CAGES29 citations89
US6195017B1Feb 27, 2001
User interactive display for batting cage with pitch height indicator lamps and strike zone
AUTOMATED BATTING CAGES7 citations70