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WOOD GROUP ESP INC

Overview
  • Total Patents
    39
About

WOOD GROUP ESP INC has a total of 39 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and electrical machinery and energy are ZEITECS BV, AKTSIONERNOE OBSHCHESTVO NOVOMET PERM and ORBAN JACQUES.

Patent filings in countries

World map showing WOOD GROUP ESP INCs patent filings in countries
# Country Total Patents
#1 United States 37
#2 Canada 2

Patent filings per year

Chart showing WOOD GROUP ESP INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Berry Michael R 9
#2 Bangash Yasser Khan 6
#3 Sakamoto Stephen M 5
#4 Wang Chengbao 5
#5 Howell Alan 4
#6 Breit Stephen M 3
#7 Floyd Raymond E 3
#8 Ketter Chris 2
#9 Conner Stephen E 2
#10 Glaze O Howard 2

Latest patents

Publication Filing date Title
CA2738354A1 Mechanism for sealing pfa seal bags
US7841826B1 Slag reduction pump
US7624795B1 Bottom mount auxiliary pumping system seal section
US7461692B1 Multi-stage gas separator
US7343967B1 Well fluid homogenization device
US7344356B1 Mechanical seal with bellows seating alignment
US7462225B1 Gas separator agitator assembly
US7191067B1 System and method of selecting a motor for a wellbore
US7357186B1 Recirculation gas separator
US2006245957A1 Encapsulated bottom intake pumping system
US2006196655A1 Labyrinth seal for pumping system
US7236910B1 Equipment identification, tracking and failure analysis process
US7367400B1 Motor protector and method for chemical protection of same
US7370697B1 Thrust section wear preventor
US7174957B1 Magnetic bailer
US7208855B1 Fiber-optic cable as integral part of a submersible motor system
US7048046B1 High temperature mechanical seal
US7150600B1 Downhole turbomachines for handling two-phase flow
US2005194126A1 Leakage resistant shroud hanger
US2004251019A1 Bottom discharge seal section