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ENTERRA PATCO OILFIELD PRODUCT

Overview
  • Total Patents
    13
About

ENTERRA PATCO OILFIELD PRODUCT has a total of 13 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Canada and United States. Its main competitors in its focus markets civil engineering are SAFEKICK AMERICAS LLC, JIANGSU JINFENG PETROLEUM MACHINERY MANUFACTURE CO LTD and RAILHEAD UNDERGROUND PRODUCTS.

Patent filings in countries

World map showing ENTERRA PATCO OILFIELD PRODUCTs patent filings in countries
# Country Total Patents
#1 Canada 9
#2 United States 4

Patent filings per year

Chart showing ENTERRA PATCO OILFIELD PRODUCTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 O'Hair Dan E 6
#2 Bertagnolli John T 3
#3 Squires Andrew 3
#4 Sable Donald E Ii 1
#5 Sable Ii Donald E 1
#6 Nguyen Dzung 1
#7 Sudol Tad A 1
#8 Andrews John 1

Latest patents

Publication Filing date Title
CA2160396A1 Rod guide test apparatus and method
CA2160400A1 Well rod, centralizer and centralizer stop interfaces with wear reducing surface
CA2151179A1 Well Rod Centralizer/Centralizer Stop Interface with Wear Reducing Surface
CA2216300A1 Rod guide apparatus and method
CA2139958A1 Rod guide with wear gauge
US5487426A Rod guide with removable vanes
US5452760A Well pump tubing scrapers
US5494104A Snap-on rod guide
CA2145908A1 Rod guide with enhanced erodable volume
CA2091547A1 Centralizer