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REED LEHMAN T

Overview
  • Total Patents
    12
About

REED LEHMAN T has a total of 12 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, electrical machinery and energy and mechanical elements are SMEDVIG OFFSHORE AS, IMPACT SELECTOR INC and THINK AND VISION GMBH.

Patent filings in countries

World map showing REED LEHMAN Ts patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing REED LEHMAN Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reed Lehman T 10
#2 Reed Lehman Thoren 2

Latest patents

Publication Filing date Title
CA2222321A1 Elevated electrical connector assembly
CA2185048A1 Elevated electrical connector assembly
CA2183019A1 Retrievable sealing plug coil tubing suspension device
US5148865A Multi-conversion wellhead assembly
US5000719A Retrievable sealing plug and method of making same
CA1299094C Oil and gas well diversionary spool assembly
US4804045A Oil and gas well diversionary spool assembly
US4708201A Top entry electrical transmission assembly for submersible pumping
US4532987A Geothermal expansion spool piston
US4491176A Electric power supplying well head assembly
US4299395A Geothermal well head assembly