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MURRAY & TREGURTHA INC

Overview
  • Total Patents
    28
About

MURRAY & TREGURTHA INC has a total of 28 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets transport, control and machines are LEO COSTANIEVICH, LARNASTON LTD and SKIBSVAERFTET FRIED KRUPP A G.

Patent filings in countries

World map showing MURRAY & TREGURTHA INCs patent filings in countries
# Country Total Patents
#1 United States 11
#2 United Kingdom 9
#3 Germany 6
#4 France 2

Patent filings per year

Chart showing MURRAY & TREGURTHA INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wanzer Arthur William 8
#2 Wanzer Arthur W 7
#3 Gordon Munro 2
#4 Kitson Dewhurst Peter 1
#5 Mathewson Wilfred F 1

Latest patents

Publication Filing date Title
GB902509A Propeller thrust stabilizer control
GB886169A Outboard propeller mechanism for boats, barges, scows and like vessels
US2930342A Outboard propeller mechanism
GB832164A Reversible propeller
US2921635A Reversible propeller
GB791194A Improvements in screw propellers adapted for steering boats
GB794231A Improvements relating to outboard propeller mechanism for sea going vessels
US2812738A Side entrance tunnel hull
GB741338A Improvements relating to outboard propeller mechanism for barges, scows and like vessels
US2700359A Outboard support for steerable propellers
US2579221A Outboard propeller mechanism
US2536894A Outboard propeller mechanism for boats, barges, and the like
US2532470A Outboard propeller mechanism for boats with eccentrically mounted shaft housings
US2627355A Cargo carrier
GB598598A Improved propeller mechanism for barges and the like
GB598314A Improved outboard propeller mechanism for boats
US2499339A Outboard propeller mechanism for boats
GB568341A Improvements relating to outboard propeller mechanism for barges, scows and other vessels
US2458813A Outboard propeller mechanism for barges, scows, and the like
US2335597A Outboard propeller mechanism for barges, scows, etc.