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CHARLES LAMB

Overview
  • Total Patents
    14
About

CHARLES LAMB has a total of 14 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, United Kingdom and Ireland. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and machines are DUNN IRWIN L, MACCLATCHIE JOHN W and SUTLIFF WAYNE N.

Patent filings in countries

World map showing CHARLES LAMBs patent filings in countries
# Country Total Patents
#1 United States 12
#2 United Kingdom 1
#3 Ireland 1

Patent filings per year

Chart showing CHARLES LAMBs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Lamb 8
#2 Radford Douglas R 4
#3 Dyer Zeb A 3
#4 Robinson Slayden R 1
#5 Lamb Charles 1
#6 Riley Clarence H 1

Latest patents

Publication Filing date Title
IES930067A2 A kill box
US2192400A Lower plug for cementing wells
US2167747A Top-cementing plug
US2167778A Cementing plug
US2169356A Lower cementing plug
US2119016A Rubber heel
US2126561A Rubber heel
US1889178A Pump piston
US1860932A Plumbing tool for oil-wells
US1889806A Wear preventer for drill pipe
US1650077A Valve structure for slush pumps
US1706031A Double cross-expansion packing
US1536025A Piston sleeve
GB177563A Improvements in or relating to controlling apparatus for self-propelled vehicles, and particularly "ford" cars