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CRANE HOUDAILLE JOHN INC

Overview
  • Total Patents
    22
About

CRANE HOUDAILLE JOHN INC has a total of 22 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets mechanical elements, machines and transport are WARTSILA JAPAN LTD, LEGOY AUGUSTE and ASHBRIDGE & ROSEBURGH INC.

Patent filings in countries

World map showing CRANE HOUDAILLE JOHN INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 EPO (European Patent Office) 4
#3 Canada 3
#4 Mexico 2
#5 Australia 1
#6 United Kingdom 1
#7 Greece 1
#8 Republic of Korea 1

Patent filings per year

Chart showing CRANE HOUDAILLE JOHN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilson John R 6
#2 Netzel James P 6
#3 Sedy Josef 5
#4 Radosav Jon J 3
#5 Radosav John J 2
#6 Amundson Donald E 1
#7 Pecht Glenn G 1
#8 Trytek Joseph J 1
#9 Wheelock Edward A 1
#10 Radosay Jon J 1

Latest patents

Publication Filing date Title
US4889348A Spiral groove seal system for high vapor-pressure liquids
US4768790A Mechanical face seal having centering means
US4779876A Drive for banded washer type seal
US4749200A Mechanical seal with welded bellows
US4669738A Internally installable package seal
US4635798A Flash sorting apparatus
US4449719A Emergency seal
US4377290A Symmetrical seal package for multiple face seals
EP0049719A1 Low energy tandem seal
EP0027539A1 Radial seal
US4407512A High pressure rotary mechanical seal