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CRANE JOHN INC

Overview
  • Total Patents
    288
  • GoodIP Patent Rank
    96,823
  • Filing trend
    ⇩ 83.0%
About

CRANE JOHN INC has a total of 288 patent applications. It decreased the IP activity by 83.0%. Its first patent ever was published in 1988. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are NINGBO DONGLIAN MECHANICAL SEAL CO LTD, EAGLEBURGMANN GERMANY GMBH and PACIFIC WIETZ GMBH & CO KG.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Pecht Glenn G 54
#2 Wasser James R 26
#3 Radosav Jon J 25
#4 Lai Wei-Tang 23
#5 Netzel James P 22
#6 Volden Douglas J 21
#7 Hamaker Jon 20
#8 Dudek David M 18
#9 Delrahim Joe 16
#10 Casucci David P 12

Latest patents

Publication Filing date Title
WO2021046352A1 Non-pusher dry gas seal with sealing elastomer and systems utilizing same
GB202006157D0 Non-contacting seal including an interference fit seal ring
US2020232562A1 Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment
WO2019236524A1 Mechanical seal with a seal face having channels
CN109844381A Not folding flexible sealing diaphragm and seal assembly for rotary shaft equipment
US2018209545A1 Mechanical end face seal having an induction heated seal face
EP3204666A1 Mechanical seal with hydro-pad face profile
AU2014240372A1 Seal monitoring and control system
WO2013019884A2 Seal gas monitoring and control system
CA2792914A1 Split seal assembly and method
CA2940397A1 Seal monitoring and control system
US2007284830A1 Mechanical seal with banded ring
EP2002160A2 Mechanical seal with thermally stable mating ring
US2007210526A1 Mechanical seal with enhanced face stability
CA2511059A1 Shaft coupling
US2005263963A1 Mechanical seal ring assembly with hydrodynamic pumping mechanism
ZA200507096B Sealing system for slurry pump
US2003215324A1 Gas conditioning system
US2003195122A1 Composite body of silicon carbide and binderless carbon, process for producing such composite body, and article of manufacturing utilizing such composite body for tribological applications
AU8515301A Improved mechanical face seal