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LEGGITT S H CO

Overview
  • Total Patents
    65
About

LEGGITT S H CO has a total of 65 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, control and mechanical elements are BAILEY JAPAN, PAULSEN SPENCE and FLUID CONTROL ENGINEERING CO.

Patent filings per year

Chart showing LEGGITT S H COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Olds Charles M 21
#2 Heald Paul W 21
#3 Turney Christopher G 20
#4 Lee Edward R 15
#5 Hood Mark E 9
#6 Reitsma Gregory A 7
#7 Kilbourn Eugene L 6
#8 Fitzwater Loftus A Iii 4
#9 Allman Richard R 3
#10 Leggitt Don C Sr 3

Latest patents

Publication Filing date Title
WO2008067348A2 Flexible pig tail assembly
CA2599670A1 Cylinder valve regulator
CA2597283A1 Gas delivery system
US2006169333A1 Combination excess-flow/back-flow valve
CA2503106A1 Fire safety device for propane cylinders
US2005172949A1 Apparatus for preparing food
US2005166969A1 Pressure regulator with improved outlet pressure control
US2006151029A1 Automatic changeover regulator
NZ550761A Automatic changeover pressure regulator, to allow for connection to reserve container while main container can be refilled
US6971403B2 Direct-acting pressure regulator
AU2003212419A1 Fluid pressure regulator with stabilizer
CA2474829A1 Swivel drop ear elbow fitting
MXPA03000437A Bonnet securement for gas pressure regulators.
CN1636174A Direct-acting pressure regulator
AU6629300A Reserve gas supply method and apparatus
US6223769B1 Gas pressure sensor and indicator apparatus for recreational vehicles and the like
AU4754597A Thermally responsive coupling for fluid-carrying lines
AU2595497A Direct-acting boost-enhanced pressure regulator background and general summary of the invention
US5881765A Direct-acting boost-enhanced pressure regulator
US5582201A Gas safety shutoff apparatus