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FELTER JOHN V

Overview
  • Total Patents
    20
About

FELTER JOHN V has a total of 20 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and machines are CALDWELL WILLIAM J, HUNTAIR INC and NUAIRE LTD.

Patent filings in countries

World map showing FELTER JOHN Vs patent filings in countries
# Country Total Patents
#1 United States 20

Patent filings per year

Chart showing FELTER JOHN Vs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Felter John V 20
#2 Rudine Kenneth M 3
#3 Campsmith John G 1
#4 Taylor Jr Bill P 1
#5 Bond John A 1

Latest patents

Publication Filing date Title
US4659057A Tilt up concrete wall panel system
US4528569A Earth station antenna assembled on site
US4305292A Methods and apparatus for balancing ceiling fan blades to improve their aerodynamic performance
US4318338A Louver structure
US4239459A Fan with adjustable legs for improving building heating and cooling
US4242055A Attic fans and apparatus for supporting the drive motors of attic fans
US4177618A Method and apparatus for installing insulation
US4178912A Solar heating system
US4136822A Apparatus and methods for controlling fan operation
US4086028A Turbine ventilators and method of manufacture
US4108580A Attic fans
US4051770A Ventilators for mobile homes, and the like
US4017026A Automatic damper
US3952638A Fans for use with turbine ventilators, and methods and apparatus for supporting the same
US3977311A Louver fan assembly
US3985158A Box for mounting diffusers
US3877357A Hinged door structure and ventilators incorporating the same
US3170387A Diffusers
US3060698A Heat pump and method of operation
US2915088A Seamed pipe of sheet material