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CHESTERTON A W CO

Overview
  • Total Patents
    454
  • GoodIP Patent Rank
    32,540
  • Filing trend
    ⇩ 66.0%
About

CHESTERTON A W CO has a total of 454 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1959. 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 textiles and paper are DECHAVANNE JACQUES, DOWTY SEALS LTD and CRANE PACKING LTD.

Patent filings per year

Chart showing CHESTERTON A W COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Azibert Henri V 111
#2 Antkowiak Richard P 41
#3 Grimanis Michael P 40
#4 Rockwood Robert E 39
#5 Attenasio Ann T 37
#6 Kozlowski Peter F 23
#7 Clark Marlen S 23
#8 Starbile Paul Vincent 22
#9 Bernier Edgar R 20
#10 Willbrant Margaret B 19

Latest patents

Publication Filing date Title
WO2020232118A1 High temperature protective coating
WO2020214800A1 System and method for automatically energizing packing material with a packing loading assembly
WO2020210464A1 Method of forming sealing elements for use in mechanical seal
US2020325991A1 Sealing cover element in a mechanical seal
US2020224770A1 Multiple component seal assembly
US2020103310A1 Mechanical seal with integrated rfid sensor
CA3099091A1 Packing material cartridge
US2019128444A1 Packing seal for fluid regulating device
EP2979012A1 Loading mechanism for fluid seals
US2015211639A1 Non-contacting labyrinth seal assembly
CA2893509A1 Self aligning split mechanical seal employing a selectively engageable axial biasing assembly
US2014084546A1 Methods and apparatuses for producing a compression packing seal including a dual-sided braided jacket and methods of using the same
US2014291936A1 Matrix split rotary seal
EP2761211A2 Methods and apparatuses for producing a braided dual-sided compression packing seal and methods of using the same
AU2010315036A1 Gland packing yarn
WO2010129896A1 Multi-piece stacked sealing system and method of using same
HUE046524T2 Dynamic sealing
EP2024670A2 Mechanical seal assembly
US2008122181A1 Radial seal assembly
US2007267819A1 Mechanical seal assembly