Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Headbox apparatus for a papermaking machine

Headbox apparatus for a papermaking machine

US Patent 4897158 · Granted Jan 30, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Starter arrangement2016
System for computer-aided measurement of quality and/or process data in a paper 2008
Twin wire former2008
Wide nip calender arrangement and process for glazing a paper or cardboard web2006
Twin wire former2005
Process for forming a multi-ply fiber web2004
Process for the formation of a multi-ply and/or multilayer fiber web2003
Method and apparatus to produce paper webs coated on both sides2003
Apparatus for the application of a liquid or pasty medium to a moving fiber web2003
Process for operating a calender and calender2003
Twin wire former2003
Method and apparatus for continuous mechanical thickening of slurry2003