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JOHNS CLIFFORD L

Overview
  • Total Patents
    19
About

JOHNS CLIFFORD L has a total of 19 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, measurement and packaging and shipping are TUBEMASTER INC, NAGYKANIZSAI FINOMMECHANIKAI V and Changshu huagang pharmaceutical co ltd.

Patent filings in countries

World map showing JOHNS CLIFFORD Ls patent filings in countries
# Country Total Patents
#1 United States 15
#2 WIPO (World Intellectual Property Organization) 4

Patent filings per year

Chart showing JOHNS CLIFFORD Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johns Clifford L 19
#2 Mcandrews Dennis 8
#3 Laughlin Matthew 4
#4 Chasmawala Munaf 4
#5 Sympson Daniel D 4
#6 Cornett Douglas K 4
#7 Chasmawala Munaf N 3
#8 Nuss Bart 2
#9 Camoriano Guillermo 2
#10 Chasmawala Munaf Najmuddin 1

Latest patents

Publication Filing date Title
US2013140322A1 Device and method for dispensing pellets
US2013160882A1 Device for injecting gas into the tubes of a chemical reactor
US8752912B1 Carrying case conversion to desk
US2012237412A1 Device for unloading catalyst from a reactor vessel
US2012137517A1 Method for marking tubes in a shell and tube heat exchanger
US2011283666A1 Device for loading catalyst into a reactor vessel
US8562270B1 Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor
US8511249B1 Pointer arrangement for marking tubes in a shell and tube heat exchanger
US2010059137A1 Loading sleeve and method for loading chemical reactor tubes
US2009095211A1 Device and method for indicating the condition of tubes on a tubesheet