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HOLMAN BROTHERS LTD

Overview
  • Total Patents
    153
About

HOLMAN BROTHERS LTD has a total of 153 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machine tools, civil engineering and engines, pumps and turbines are DAW ALBERT WILLIAMS, STEEL ENG CO LTD and A B ATLAS COPCO.

Patent filings in countries

World map showing HOLMAN BROTHERS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 77
#2 United States 28
#3 Canada 25
#4 France 12
#5 Germany 8
#6 Austria 1
#7 Australia 1
#8 Spain 1

Patent filings per year

Chart showing HOLMAN BROTHERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Treve Holman Arthur 10
#2 Holman Arthur Treve 9
#3 James Eric Basil 7
#4 Cock Benjamin 7
#5 Leonard Holman John 6
#6 Burgess John Leslie 5
#7 Downing Robert Ernest 5
#8 Holman Percy Mynors 5
#9 Harvey Joseph Eric 4
#10 Beacham Thomas Edward 4

Latest patents

Publication Filing date Title
GB1275449A Improvements relating to submarine operation of pneumatic tools
GB1284881A Pneumatic breaker steels
GB1184892A Improvements relating to Impact Wrenches
GB1164999A Improvements relating to Silencing Means for Percussive Pneumatic Tools.
GB972285A Improvements relating to dust-extraction devices for rotary tools
GB897013A Improvements relating to locating means for the accurate assembly of parts
US2954653A Dust extractors for rotary grinders employing flexible grinding discs
GB908927A Dust extractors for rotary grinders employing flexible grinding discs
GB911738A Improvements relating to dust extractors for portable rotary abrasive tools
GB888295A Improvements relating to traps for intercepting particles in an air stream
GB890151A Improvements relating to filter-shaking and cleaning means for vacuum dust-extraction apparatus
US2878627A Traps for particles in an airstream
GB848841A Improvements relating to dust extractors for rotary abrasive tools and other dust-producing tools
GB851176A Dust extraction heads for tapered high-speed grinders
GB848564A Improvements relating to dust extraction heads for rotary abrasive tools
GB812834A Improvements in feed legs for rock or other drills
US2819571A Dust extraction systems for grinding wheels
US2843929A Chipping chisels
GB860536A Improvements in or relating to pneumatically operated tools
GB847380A Improvements relating to traps for intercepting particles in an airstream