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ROBERT MACGREGOR

Overview
  • Total Patents
    52
About

ROBERT MACGREGOR has a total of 52 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets transport, mechanical elements and civil engineering are SEABUBBLES, SACAR HOLDING NV and SCANU JOHN.

Patent filings in countries

World map showing ROBERT MACGREGORs patent filings in countries
# Country Total Patents
#1 United Kingdom 41
#2 United States 7
#3 Germany 3
#4 France 1

Patent filings per year

Chart showing ROBERT MACGREGORs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robert Macgregor 7
#2 Joseph Macgregor 3
#3 Macgregor Robert 2
#4 Macgregor Joseph 1
#5 James Macgregor 1

Latest patents

Publication Filing date Title
GB771169A Improvements in joints for ships' hatch covers
US2844117A Device for protecting ships' holds, wagons, during cargo working
GB753000A Improvements in and relating to ships' metal hatch covers
GB751939A Improvements in hatch construction for vessels such as barges
GB754159A Improvements in cargo anti-shifting structure for ships' holds
US2750914A Cargo anti-shifting structure for ships' holds
GB728879A Improvements in hatchway constructions for cargo vessels
GB725195A Improvements in or relating to methods of equipping ports and beaches in view of loading and unloading ships and devices for carrying out same
GB725457A Improvements in means for hoisting and lowering small craft from ships
GB722546A Improvements in cargo anti-shifting structure for ships' holds
GB695657A Improvements in steel hatch covers
GB667464A Improvements in metallic hatch covers particularly for ships' tween decks
US2641214A Steel hatch cover
GB649384A Improvements in steel hatch covers
US2162917A Liquid brake and carrier for ships' rudders
GB477779A Improvements in or relating to liquid brakes and carriers for ships' rudders
GB441388A Improvements in ships' hatches
GB418900A Improvements in ships hatches
GB409418A Improvements in steel hatch covers for ships
GB380976A Improvements in ships' bulkheads