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HOUSTON WELL SCREEN CO

Overview
  • Total Patents
    41
About

HOUSTON WELL SCREEN CO has a total of 41 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets civil engineering, chemical engineering and machine tools are NORTHLAND ENERGY CORP, OOO RN UFANIPINEFT and PALADON ENG LTD.

Patent filings in countries

World map showing HOUSTON WELL SCREEN COs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 France 5
#3 United Kingdom 5
#4 United States 5
#5 Canada 3
#6 Argentina 2
#7 Australia 2
#8 Belgium 2
#9 Brazil 2
#10 Ireland 2
#11 Japan 2
#12 Mexico 2
#13 Switzerland 1
#14 Israel 1
#15 Italy 1
#16 Norway 1

Patent filings per year

Chart showing HOUSTON WELL SCREEN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Whitworth Robert D 9
#2 Mcconnell Howard T 9
#3 Wilson Hill Davis 5
#4 Corgey Norman Russell 4
#5 Robinson Wiley B 4
#6 Graen Lawrence J 3
#7 Wilson H 2
#8 Wilson Hill D 2
#9 Corgey Norman R 2
#10 Corgey N 2

Latest patents

Publication Filing date Title
CA2227458A1 Shroud for a well screen
US5823260A Well screen
US5509483A Method and apparatus for anchoring a well screen on a perforated mandrel of stainless steel
US4314129A Method and apparatus for making well screen
US4102395A Protected well screen
US2811882A Lugging disc for strainer wire