Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Filtering element made of absorbent paper material in the form of a tubular cylinder

Filtering element made of absorbent paper material in the form of a tubular cylinder

US Patent 6874642 · Granted Apr 5, 2005

Estimated economic value: $22,315,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of assembling two webs of tissue paper with or without marking of said we2013
Method of assembling two webs of tissue paper with or without marking of said we2013
Installation for assembling two webs of tissue paper with or without marking of 2012
Installation for assembling two webs of tissue paper with or without marking of 2012
Centre-feed roll and production methods thereof2012
Centre-feed roll and production methods thereof2012
Method for making a central unwinding roll and resulting roll2011
Method for making a central unwinding roll and resulting roll2011
Parallelepipedal flexible packaging with breakable zone2010
Parallelepipedal flexible packaging with breakable zone2010
Pattern for absorbent paper2006
Pattern for absorbent paper2005