Learn more

CONDRA ELMO L

Overview
  • Total Patents
    14
About

CONDRA ELMO L has a total of 14 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and machines are DODDS REDUS D, WASH OVERSHOT AND SPEAR ENGINE and SMITH INT NORTH SEA.

Patent filings in countries

World map showing CONDRA ELMO Ls patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 1

Patent filings per year

Chart showing CONDRA ELMO Ls patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Condra Elmo L 14

Latest patents

Publication Filing date Title
US3251418A Oil well scraper
US3133594A Tubing anchor
US3039530A Combination scraper and tube reforming device and method of using same
US2782850A Pipe reamer and mill
US2669305A Retrievable cementing plug
US2701020A Plunger type bailer
US2638322A Oil well casing cutter for side windows
US2638320A Pipe cutter or reamer for use on crooked pipe
US2590233A Feeler tool for casing protuberances
US2552939A Wire line cleanout tool for oil wells
US2508746A Suction bailer
US2104942A Pressure bailer
US1529409A Hydraulic fishing equipment
CA810474A Oil well scraper