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SHERWIN HOLT HAROLD EDWARD

Overview
  • Total Patents
    12
About

SHERWIN HOLT HAROLD EDWARD has a total of 12 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States. Its main competitors in its focus markets transport and machines are HAROLD EDWARD SHERWIN HOLT, ETUDES ET FAB AERONAUTIQUES and BOOTH WILLIAM R.

Patent filings in countries

World map showing SHERWIN HOLT HAROLD EDWARDs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing SHERWIN HOLT HAROLD EDWARDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Machines

Focus technologies

Top inventors

# Name Total Patents
#1 Sherwin Holt Harold Edward 12

Latest patents

Publication Filing date Title
US1834840A Apparatus for lowering mail bags and other loads from aircraft
US1776810A Flare-supporting bracket for aircraft
US1709264A Apparatus for lowering mail bags and other loads from aircraft
US1618009A Parachute apparatus
US1602851A Device for loading mail bags or other loads to aircraft
US1624411A Landing light or flare for attaching to aircraft
US1523200A Parachute apparatus
US1423326A Landing light or flare for attaching to aircraft
US1470610A Parachute apparatus
US1443745A Parachute
US1360527A Flare for use on aircraft