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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 85 | |
#2 | EPO (European Patent Office) | 41 | |
#3 | Canada | 39 | |
#4 | Australia | 37 | |
#5 | WIPO (World Intellectual Property Organization) | 31 | |
#6 | Norway | 21 | |
#7 | Brazil | 16 | |
#8 | Finland | 16 | |
#9 | Mexico | 15 | |
#10 | New Zealand | 15 | |
#11 | Spain | 12 | |
#12 | United Kingdom | 12 | |
#13 | South Africa | 12 | |
#14 | China | 11 | |
#15 | Germany | 10 | |
#16 | Japan | 9 | |
#17 | Denmark | 8 | |
#18 | France | 8 | |
#19 | Philippines | 8 | |
#20 | Argentina | 5 | |
#21 | Chile | 5 | |
#22 | Hungary | 5 | |
#23 | Ireland | 5 | |
#24 | Republic of Korea | 5 | |
#25 | Italy | 4 | |
#26 | Sweden | 4 | |
#27 | Netherlands | 3 | |
#28 | Yugoslavia (Serbia and Montenegro) | 3 | |
#29 | Austria | 2 | |
#30 | Hong Kong | 2 | |
#31 | Singapore | 2 | |
#32 | Colombia | 1 | |
#33 | Portugal | 1 | |
#34 | Taiwan | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines | |
#3 | Textiles and paper | |
#4 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Pistons and sealings | |
#2 | Unspecified technologies | |
#3 | Laces and braids | |
#4 | Special textiles | |
#5 | Unspecified technologies | |
#6 | Non-positive-displacement pumps | |
#7 | Shaping of plastics | |
#8 | Certain plastics | |
#9 | Fillers | |
#10 | Producing goods from plastic |
# | 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 |
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 |