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HERC PROD INC

Overview
  • Total Patents
    54
About

HERC PROD INC has a total of 54 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, civil engineering and environmental technology are HERC INC, WITTY GMBH & CO KG and WITTY CHEMIE GMBH & CO KG.

Patent filings per year

Chart showing HERC PROD INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ludwig Jerome H 42
#2 Hieatt Allen C 12
#3 Shenkiryk Myron 10
#4 Fyfe Edward 7
#5 Temple Dan 7
#6 Shenkiryk Myron B 6
#7 Perry Edward Charles 6
#8 Eden Todd R 5
#9 Edstrand Craig 4
#10 Tallman Donald F 3

Latest patents

Publication Filing date Title
US2005194025A1 Countermeasure washdown system cleaning
US6076536A Cleaning and passivating water distribution systems
US5873944A Vacuum waste pipe cleaning
US5895763A Controlled carbonate removal from water conduit systems
US5800629A Pipe system cleaning and in-line treatment of spent cleaning solution
US5885364A Method of cleaning and maintaining potable water distribution pipe systems
US5680877A System for and method of cleaning water distribution pipes
EP0766765A1 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
CA2189345A1 Method of removing chloride ion or a compound thereof from a surface contaminated therewith
US5527395A Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
US5451335A 1:1 soap compositions of acids and amines or ammonia useful in removal and prevention of scale
BR9406139A Process for cleaning crust of drinking water distribution system
US5492629A Method of cleaning scale and stains in water systems and related equipment
BR9306274A Process for cleaning and maintaining hot water system
US5360488A Method of cleaning and maintaining water distribution pipe systems