Learn more

STACKPOLE LTD

Overview
  • Total Patents
    133
About

STACKPOLE LTD has a total of 133 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, machine tools and machines are ANHUI HENGJUN POWDER METALLURGY TECH CO LTD, NINGBO RUIFENG AUTO PARTS CO LTD and ALLOYS RES & MFG CORP.

Patent filings per year

Chart showing STACKPOLE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones Peter 67
#2 Shivanath Rohith 36
#3 Lawcock Roger 29
#4 Hinzmann Gerd 22
#5 Buckley-Golder Keith 21
#6 Cozens Eric 14
#7 Haiko Mark 14
#8 Ma Frank 13
#9 Round Robert 12
#10 Wilson Allan 11

Latest patents

Publication Filing date Title
AU2012202487A1 Pressure relief valve
WO2009124380A1 Device and method for pressing a metal powder compact
US2009285709A1 Vane pump
WO2008139323A2 Powder metal internal gear rolling process
WO2008061342A1 Method and apparatus for die wall lubrication
CA2584882A1 System for particulate removal and reclamation in a manufacturing environment
BRPI0614323A2 valve for use in fluid systems
CA2610930A1 Composite assemblies including powdered metal components
CA2594364A1 Method of forming powder metal components having surface densification
US6907971B2 One-way clutch
US6365094B1 Lubricated die
US6440357B1 Compacted-powder opposed twin-helical gears and method
US6019937A Press and sinter process for high density components
MX9801204A Outlet pressure control for internal gear pump.
US6110419A Point contact densification
US6143240A High density forming process with powder blends
US5997805A High carbon, high density forming
US5641922A Hi-density sintered alloy and spheroidization method for pre-alloyed powders
US5729822A Gears
US5754937A Hi-density forming process