Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for mixing chemicals into pulp at a refiner inlet

Apparatus for mixing chemicals into pulp at a refiner inlet

US Patent 4288288 · Granted Sep 8, 1981

Estimated economic value: $21,534,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mobile distribution station having onboard fluid storage tank2021
Method and apparatus for wood chip pasteurization2000
Process for manufacturing bleached pulp including recycling1998
Controlling pulp flow in an upflow pulp treatment tower1996
Extended delignification in pressure diffusers1991
Pistonless accumulator1991
Extended delignification in pressure diffusers1991
Centrifugal washer for paper pulp with means to feed pulp as a thin sheet1991
Chip gates with air lock1990
Method of bleaching pulp with ozone-chlorine mixtures1990
Apparatus for feeding wood chips to a treatment bin1989
Oxygen reactor deaeration tank and system1987