Michael D. Meredith — 19 Patents at Weyerhaeuser Nr

Michael D. Meredith has been granted 19 US patents while listed as an inventor at Weyerhaeuser Nr. The first was granted in 1980 and the most recent in September 2021. Michael D. Meredith ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Michael D. Meredith in Federal Way, WA, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11124407	Mobile distribution station having onboard fluid storage tank	Garrett Walther	2021-09-21
6063336	Method and apparatus for wood chip pasteurization	Garth L. Tomic	2000-05-16
5066362	Extended delignification in pressure diffusers	—	1991-11-19
5021127	Extended delignification in pressure diffusers	—	1991-06-04
5021125	Pistonless accumulator	Joseph R. Phillips, John Weston	1991-06-04
5013460	Centrifugal washer for paper pulp with means to feed pulp as a thin sheet	—	1991-05-07
4927312	Chip gates with air lock	Joseph R. Phillips, Richard O. Laakso, C. Bertil Stromberg	1990-05-22
4902381	Method of bleaching pulp with ozone-chlorine mixtures	—	1990-02-20
4684442	Oxygen reactor deaeration tank and system	Joseph Bentvelzen, Marvin F. Jordan	1987-08-04	$48,570,000
4310384	Reducing chemical transfer between treatment stages	Louis L. Edwards, Jr., Keith T. Van Scotter	1982-01-12	$19,626,000
4303470	Method and apparatus for mixing gases with a wood pulp slurry	Jozef M. Bentvelzen, Henry Bepple	1981-12-01	$22,553,000
4298426	Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence	Louis O. Torregrossa, Jozef M. Bentvelzen, Gerald D. Crosby, Jr., Henry Bepple	1981-11-03	$10,820,000
4298427	Method and apparatus for intimately mixing oxygen and pulp while using an alkali to extract bleaching by-products	Jozef M. Bentvelzen, Louis O. Torregrossa, Henry Bepple	1981-11-03	$10,820,000
4295925	Treating pulp with oxygen	Jozef M. Bentvelzen, Henry Bepple, Louis O. Torregrossa, Howard R. Battan, Dennis H. Justice	1981-10-20	$5,863,000
4295926	Method and apparatus for treating pulp with oxygen	Jozef M. Bentvelzen, Henry Bepple, Louis O. Torregrossa, Howard R. Battan, Dennis H. Justice	1981-10-20	$5,863,000
4295927	Method and apparatus for treating pulp with oxygen and storing the treated pulp	Jozef M. Bentvelzen, Henry Bepple, Louis O. Torregrossa, Howard R. Battan, Dennis H. Justice	1981-10-20	$5,863,000
4288288	Apparatus for mixing chemicals into pulp at a refiner inlet	John A. Fleck	1981-09-08	$21,534,000
4229252	Additives for ozone bleaching	—	1980-10-21	$29,295,000
4216054	Low-consistency ozone delignification	Jozef M. Bentvelzen, Steven L. Bogart, Maharaj K. Gupta, William T. McKean, Louis O. Torregrossa	1980-08-05	$29,907,000

Michael D. Meredith — 19 Patents

Issued Patents All Time

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