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ELGIN SWEEPER CO

Overview
  • Total Patents
    103
About

ELGIN SWEEPER CO has a total of 103 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, transport and mechanical elements are FRESIA GIULIO, CURTIS INTERNATIONAL INC and TENPLESTAR ENVIRONMENT TECH CO LTD.

Patent filings per year

Chart showing ELGIN SWEEPER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Robert F 17
#2 Mott Carl W 13
#3 Hildebrand Donald L 12
#4 Leidecker Henry A 12
#5 Prescott Ernest F 10
#6 Strauser Daniel P 9
#7 Link Charles T Jr 8
#8 Palmiter Donald R 8
#9 Kirk Donald G 7
#10 Star Roger D 7

Latest patents

Publication Filing date Title
US2006053583A1 Street sweeper with litter hose
US5852847A High-speed pick-up head for a street sweeper
US5839157A Street sweeper pick-up head
CA1335233C Street sweeper
US5251652A Street sweeper
CA2038588A1 Self-adjusting broom cover
US4951347A Brush-type cleaning system
US5060334A Street sweeper
US4807327A Dirt deflector for cleaning heads
US4770681A Dust separator for gas stream
US4756552A Steering mechanism for vehicle with multiple steering wheels
US4802549A Central rotating terminal for vehicles
CA1216109A Guide wheel suspension for a three wheel sweeper
US4460186A Guide wheel suspension for a three wheel sweeper
US4343060A Hydraulic control system for a street sweeper
US4222141A Street sweeper and main broom suspension
US4236756A Street sweeper having an elevating hopper with supporting outriggers
US4178647A Four-wheeled sweeper
US4171551A Spring suspended street sweeper having rear axle spring lockout
US3854160A Street sweeper with a hydrostatic transmission