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HYDRO SYSTEMS CO

Overview
  • Total Patents
    31
About

HYDRO SYSTEMS CO has a total of 31 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets machines, chemical engineering and civil engineering are AIR LIQUIDE ITALIA S R L, NORGREN MARTONAIR LTD and SVENSKA THORN AB.

Patent filings in countries

World map showing HYDRO SYSTEMS COs patent filings in countries

Patent filings per year

Chart showing HYDRO SYSTEMS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sand William F 21
#2 Dalhart Mark D 9
#3 Haas Richard 2
#4 Rhine Steve 1
#5 Bricker James C 1
#6 Fegette Thomas R 1
#7 Lippman David H 1
#8 Haas Richard E 1
#9 Baker Gordon 1
#10 Gessner Jr Ralph F 1

Latest patents

Publication Filing date Title
US6655401B2 Multiple chemical product eductive dispenser
US2003056841A1 Multiple flow rate eductive dispenser
US6634376B2 Back flow preventing eductor
US6299035B1 Remotely activated dispenser
US6238081B1 Ultra-lean dilution apparatus
AU5373798A Improved air gap eductor
US5957152A Select valve purge
US5653261A Selector valve
US5522419A Chemical eductor with integral elongated air gap
US5377718A Selecting and dispensing valve
US5351875A Mixing and dispensing device
US5253677A Chemical eductor with integral elongated air gap
US5159958A Chemical eductor with integral elongated air gap
US4950136A Peristaltic pump
US4697610A Faucet proportioner