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DELAVAN MANUFACTURING CO

Overview
  • Total Patents
    44
About

DELAVAN MANUFACTURING CO has a total of 44 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, engines, pumps and turbines and thermal processes are KOPPERSCHMIDT MUELLER & CO, DELAVAN CORP and SPECTUS OIL BURNERS.

Patent filings in countries

World map showing DELAVAN MANUFACTURING COs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 9
#3 United Kingdom 4
#4 France 3
#5 Germany 2
#6 Australia 1
#7 Denmark 1
#8 Italy 1
#9 Sweden 1

Patent filings per year

Chart showing DELAVAN MANUFACTURING COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilcox Richard L 7
#2 Ankeny Jay H 5
#3 Conrad Sherman E 5
#4 Foddy Harold W 4
#5 Wayne Alex 3
#6 Kessler Dayton F 3
#7 Bylsma Simon 2
#8 Reed Kenneth E 2
#9 Conrad S 2
#10 Tate Roger W 2

Latest patents

Publication Filing date Title
US4186877A By-pass nozzles
CA1037999A Low drift spray nozzle and method
US3948444A Low drift spray method
CA944615A Balanced hydraulic device
CA944614A Balanced hydraulic device
US3836076A Foam generating nozzle
CA960255A Eccentric spiral swirl chamber nozzle
US3747851A Swirl air nozzle
US3770209A Aspirating spray head
US3747476A Balanced hydraulic device
US3693886A Swirl air nozzle
CA944613A Balanced hydraulic device
US3680793A Eccentric spiral swirl chamber nozzle
US3667616A Strainer
US3684194A Spray nozzle
US3665814A Hydraulic motor control
US3672578A Nozzle
US3676020A Compensated hydraulic device
US3608571A Fluidic flow control valve
US3598321A Leaf spring nozzle flow control