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PVI IND INC

Overview
  • Total Patents
    41
About

PVI IND INC has a total of 41 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets thermal processes, machines and mechanical elements are GODESIA WERK G M B H, WATER HEATER IND JOINT RES & DEVELOPMENT CONSORTIUM and NORMAN PRODUCTS COMPANY.

Patent filings in countries

World map showing PVI IND INCs patent filings in countries

Patent filings per year

Chart showing PVI IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Adams Charles L 25
#2 Ferguson Mark A 12
#3 Adams Richard C 6
#4 Hiddleston Weldon M 4
#5 Clark David W 2
#6 Steirer Lloyd S 1
#7 Charles L Adam S 1
#8 Hiddleston Weldom M 1
#9 Hamos Robert 1

Latest patents

Publication Filing date Title
US5772422A Burner array for water heating apparatus
US5775268A High efficiency vertical tube water heater apparatus
US5713515A Method and system in a fluid heating apparatus for efficiently controlling combustion
US5666943A Water heater or boiler with improved tank design
US5479913A Direct contact water heater
CA2126127A1 Water heating apparatus with passive flue gas recirculation
CA2114858A1 Nickel-organic polymer coating method and water apparatus
US5400962A System and method for reduced purge operation of a forced draft burner in a water heater
US5437249A Combination burner and flue gas collector for water heaters and boilers
US5395230A High ratio modulation combustion system and method of operation
US5220887A Modular vertical tube tank and method of manufacture
US4981112A Potable hot water storage vessel and method of manufacture
US4938204A Water heater or boiler with improved thermal efficiency
US4968066A Bolt-on flange
US4936260A Boiler or water heater with insulated water tank
US4869208A Compact modular fluid storage and heating system
US4545329A Water heater
US4465024A Water heater
CA1198328A Water heater
US4254826A Modular heat exchanger