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HAGAN CHEMICALS & CONTROLS INC

Overview
  • Total Patents
    84
About

HAGAN CHEMICALS & CONTROLS INC has a total of 84 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets measurement, machines and mechanical elements are BROWN INSTR CO, FOSTER ENGINEERING COMPANY and RUGGLES KLINGEMANN MFG CO.

Patent filings in countries

World map showing HAGAN CHEMICALS & CONTROLS INCs patent filings in countries
# Country Total Patents
#1 United States 64
#2 United Kingdom 13
#3 Germany 5
#4 France 2

Patent filings per year

Chart showing HAGAN CHEMICALS & CONTROLS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams Ray S 9
#2 Joseph Gill 8
#3 Gill Joseph 6
#4 Anderson George R 6
#5 Sippach Frederick W 5
#6 Roland Charles T 4
#7 Markson Alfred A 3
#8 Liddell Robert W 3
#9 Stough Donald M 3
#10 Hatch George B 3

Latest patents

Publication Filing date Title
US3272899A Process for producing a solid rinse block
US3090916A Multiple range measuring system for non-linear input signals using feedback gain control means to provide a linear response
US3005069A Reed relay for small voltages
US3057420A Measuring device
US3036923A Preservation of fish
US2996920A Integrator brake
US3053083A Pressure and temperature corrected fluid flow meters
US3089847A Inhibiting bacterial growth
US3043208A Needle and clamp for use in pumping hams and the like
US3047647A Control systems and components thereof
US3045872A Liquid dispenser
US3066095A Water purification agents and method of using same
US3019416A Relay device for indicating if input digit lies within a predetermined range
US3058917A Liquid dishwashing detergent
GB862999A Monitoring equipment
GB887952A Improvements in apparatus for pumping pickle solution into meat products
GB869591A Monitoring equipment
GB900257A Electric computing apparatus
US2980835A Mechanically rebalanced linear motor servosystem
US3003475A Pneumatic positioning controller