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HAROLD EDWARD SHERWIN HOLT

Overview
  • Total Patents
    56
About

HAROLD EDWARD SHERWIN HOLT has a total of 56 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets transport, machines and machine tools are ACUMEN DESIGN ASSOCIATES LTD, TSENTRAL NYJ NII SP NOGO MASH and NORTHCOAST TECHNOLOGIES.

Patent filings in countries

World map showing HAROLD EDWARD SHERWIN HOLTs patent filings in countries
# Country Total Patents
#1 United Kingdom 34
#2 France 14
#3 Germany 8

Patent filings per year

Chart showing HAROLD EDWARD SHERWIN HOLTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holt Harold Edward Sherwin 14

Latest patents

Publication Filing date Title
GB330993A Improvements in apparatus for lowering mail bags and other loads from air-craft
GB315290A Improvements in or relating to flare supporting brackets for aircraft
GB301162A Improvements in parachute apparatus
GB282900A Improvements in parachute harness
GB260471A Improvements in or connected with parachute containers
GB268498A Improvements in parachute apparatus
GB263588A Improvements in apparatus for lowering mail bags and other loads from aircraft
GB256735A Improvements in parachute apparatus
GB251412A Improvements in parachute apparatus
GB235737A An improved instrument or fault detector for testing electric circuits
GB234175A Improvements in or connected with the loading of mail bags or other loads on to air-craft
GB222996A Improvements in apparatus for moistening the air in rooms
GB220338A Improvements in holt landing lights or flares for attaching to aircraft
GB199555A Improvements in or connected with the loading of mail bags or other loads from the ground on to aircraft in flight
GB188031A An improved coupling for securing the life line of a parachute to the harness on an aviator
GB183245A Improvements in parachute apparatus
GB179884A Improvements in parachutes
GB178519A Improvements in parachute apparatus
GB176455A Improvements in holt landing lights or flares for attaching to aircraft
GB168617A Improvements in parachutes