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DAVIS WATER & WASTE IND INC

Overview
  • Total Patents
    16
About

DAVIS WATER & WASTE IND INC has a total of 16 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and measurement are MICRODYN NADIR GMBH, RG DELAWARE INC and STOISER & WOLSCHNER.

Patent filings in countries

World map showing DAVIS WATER & WASTE IND INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing DAVIS WATER & WASTE IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Davis H Forbes 6
#2 Mcdougald Mack 4
#3 Harshman James P 3
#4 Mcdougald Mack D 2
#5 Medders Ii Carlton 1
#6 Glos E 1
#7 Pauwels Julian R 1
#8 Freed Jr Anthony J 1
#9 King Donald A 1

Latest patents

Publication Filing date Title
US5599459A Method for sealing a traveling bridge filter backwash shoe
US5554281A Traveling bridge filter system and associated underdrain
US5431809A Apparatus for sealing a traveling bridge filter backwash shoe
US5476584A Backwash/rewash traveling bridge filter and related process
US5401405A Combined air/water backwash in a travelling bridge filter
US5307697A Continuous, automated, multi-stream sample collection and analysis
US5094752A Aerobic wastewater treatment with alkalinity control
US5013442A Aerobic wastewater treatment with alkalinity control
US4988439A Two stage traveling bridge filter
US4948402A Modular air scrubber system
US4859330A Traveling bridge filter with air scour
US3917532A Sewage treatment plant
US3828806A Two-way valve having freely pivotable valve element