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LAWRENCE PUMPS INC

Overview
  • Total Patents
    25
About

LAWRENCE PUMPS INC has a total of 25 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are LIU WEN-HAO, CP PUMPEN AG and PEABODY BARNES.

Patent filings per year

Chart showing LAWRENCE PUMPS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Andrews Dale B 5
#2 Allaire Jason Douglas 5
#3 Andrews Dale 4
#4 Russell Donald Paul 4
#5 Witzgall Michael 4
#6 Russell Paul 4
#7 Corcoran Mark Thomas 3
#8 Griggs Paul E 3
#9 Allaire Jason D 2
#10 Mill Victor J 1

Latest patents

Publication Filing date Title
WO2011142980A2 Vibration damping device for vertically cantilevered pump assemblies
US2010015000A1 Apparatus for simultaneous support of pressurized and unpressurized mechanical shaft sealing barrier fluid systems
CN101861209A Inducer comminutor
US2009081044A1 Polygon rotor attachment device
US2005053494A1 Open face cooling system for submersible motor
MXPA04004379A Mechanism for sealing a rotating shaft from load end leakage.
CA2466434A1 Mechanism for sealing a rotating shaft from load end leakage
US6759774B1 Low speed canned motor
AU7840800A Submersible motor with shaft seals
US6379127B1 Submersible motor with shaft seals
US3149574A Ceramic lined pump