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DODDS REDUS D

Overview
  • Total Patents
    11
About

DODDS REDUS D has a total of 11 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and machines are SMITH INT NORTH SEA, CONDRA ELMO L and BBJ TOOLS INC.

Patent filings in countries

World map showing DODDS REDUS Ds patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing DODDS REDUS Ds patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Focus technologies

# Technology
#1 Earth drilling
#2 Unspecified technologies

Top inventors

# Name Total Patents
#1 Dodds Redus D 11

Latest patents

Publication Filing date Title
US2019176A Sample taking device
US1659769A Drill
US1697590A Well-drilling apparatus
US1427268A Core-taking device
US1373492A Sample-taking device
US1364084A Sample-taking device
US1335880A Device for taking samples from wells
US1295134A Sample-taking device.
US1247092A Device for withdrawing samples from wells.
US1235883A Sample-taking device.
US1252555A Device for extracting cores from wells.