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HAHN INC

Overview
  • Total Patents
    20
About

HAHN INC has a total of 20 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets agriculture, machines and transport are KINKEAD ROBERT S, WOOD BROTHERS MFG COMPANY and PENNSYLVANIA LAWN MOWER WORKS.

Patent filings in countries

World map showing HAHN INCs patent filings in countries
# Country Total Patents
#1 United States 17
#2 United Kingdom 3

Patent filings per year

Chart showing HAHN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sorenson C 5
#2 Stubblefield C 4
#3 Bramley R 3
#4 Bourassa H 3
#5 Debaillie A 2
#6 Blozis Peter P 2
#7 Hahn Kent S 2
#8 Sorenson Charles E 2
#9 Hahn Lloyd C 1
#10 Pfeiffer Gene F 1

Latest patents

Publication Filing date Title
US5433380A Self-cleansing pressure washing system for chemical sprayer
US5468183A Clean air operator enclosure
US3903679A Dead man's control for lawn mower
US3824772A Turf maintenance machine
US3816985A Turf maintenance machine
US3788416A High-clearance agricultural vehicle
US3722314A Foot pedal transmission control
US3771296A Turf maintenance machine
US3616626A Mower
US3443756A Low volume spray system having nozzle orifice configuration for producing equal size droplets
US3313049A Overload limiter for snow blowers
US3272030A Combined engine throttle and transmission control means
US3233874A Jet agitator
US3266337A Foot operator arrangement
US3235187A Drop stabilizer
US3199276A Riding mower
US3161006A Adjustable rotary mower