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HENGESBACH ROBERT W

Overview
  • Total Patents
    19
About

HENGESBACH ROBERT W has a total of 19 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, machine tools and packaging and shipping are SKINNER IRRIGATION COMPANY, DEVELOPED RESEARCH FOR IRRIGAT and SMITH WILLIAM C.

Patent filings in countries

World map showing HENGESBACH ROBERT Ws patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 5

Patent filings per year

Chart showing HENGESBACH ROBERT Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hengesbach Robert W 19

Latest patents

Publication Filing date Title
US5287887A Handle operated flow control valve
CA1231358A Flow control nozzle and shutoff valve having screen- carrying passage in rotatable stem
US4629121A Flow control nozzle and shutoff valve having screen-carrying passage in rotatable stem
CA1187856A Valve with handle-mounting ring
CA1204089A Spraying apparatus and method
US4569160A Sand blasting apparatus with liquid aspiration control
US4515310A Spraying apparatus and method
US4471911A Spraying apparatus and method
US4494699A Adjustable spray nozzle
US4473328A Aspirator probe for sand blasting apparatus
US4523882A Drill press with overhead mount
US4141477A Controlled irrigation device
US4035004A Ball and socket connector and combination thereof with spray gun
US3945396A Rapid seating check valve
US3632046A Spray nozzle
US3490212A Rotary lawnmower cleaner attachment