Inventor
ZHANG SHULIN
CN16 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG SHULIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROCTER & GAMBLE
7 patentsUS5565145AOct 15, 1996
Compositions comprising ethoxylated/propoxylated polyalkyleneamine polymers as soil dispersing agents
PROCTER & GAMBLE374 citations98
US6075000AJun 13, 2000
Bleach compatible alkoxylated polyalkyleneimines
PROCTER & GAMBLE63 citations95
US5691298ANov 25, 1997
Ester oligomers suitable as soil release agents in detergent compositions
PROCTER & GAMBLE71 citations93
US6551986B1Apr 22, 2003
Fabric enhancement compositions
PROCTER & GAMBLE46 citations92
US6127331AOct 3, 2000
Laundry compositions comprising alkoxylated polyalkyleneimine dispersants
PROCTER & GAMBLE39 citations91
US6573228B1Jun 3, 2003
Laundry detergent compositions comprising fabric enhancement polyamines
PROCTER & GAMBLE7 citations74
US6566323B1May 20, 2003
Laundry detergent compositions comprising fabric enhancement polyamines
PROCTER & GAMBLE7 citations74
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD
6 patentsUS11867171B2Jan 9, 2024
Fluid splitter in a fluid end or plunger pump
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD1 citations61
US12044234B2Jul 23, 2024
Cover, fluid end and plunger pump
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD1 citations60
US12000386B2Jun 4, 2024
Plunger, hydraulic end and plunger pump
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations50
US12560279B2Feb 24, 2026
Automatic grease injection system and exploitation system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations44
US12287046B2Apr 29, 2025
Valve seat, plug valve, and fracturing manifold
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations41
US12498060B2Dec 16, 2025
Fracturing transportation system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations36