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USPTO Patent Rankings Data through Dec 31, 2025
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Peter A. Graef — 24 Patents

WNWeyerhaeuser Nr: 16 patents #18 of 578Top 4%
WEWeyerhauser: 1 patents #4 of 24Top 20%
The Procter & Gamble: 1 patents #9,232 of 10,297Top 90%
Tacoma, WA: #15 of 723 inventorsTop 3%
Washington: #3,621 of 76,902 inventorsTop 5%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Peter A. Graef has been granted 24 US patents while listed as an inventor at Weyerhaeuser Nr. The first was granted in 1989 and the most recent in February 2023. Peter A. Graef ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Peter A. Graef in Tacoma, WA, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11592350 Balance guide for a tubular element Edmund Graef 2023-02-28
7465373 Unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2008-12-16
7166190 Methods for forming a fluted composite Clifford R. Bolstad, Fred B. Howard, Charles E. Miller, Daniel Bunker 2007-01-23
7125470 Unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2006-10-24
6969781 Reticulated absorbent composite Fred B. Howard 2005-11-29 $63,909,000
6962645 Reticulated absorbent composite Fred B. Howard 2005-11-08
6867346 Absorbent composite having fibrous bands Melissa I. Dopps, Richard Edmark, David G. Marsh 2005-03-15 $29,546,000
6734335 Unitary absorbent system Daniel Bunker, Charles E. Miller, Jeffrey D. Mathews, Fred B. Howard, Terry M. Grant +6 more 2004-05-11 $55,068,000
6673983 Wetlaid unitary stratified composite containing absorbent material Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2004-01-06 $59,058,000
6670522 Wetlaid unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2003-12-30 $28,981,000
6630054 Methods for forming a fluted composite Clifford R. Bolstad, Fred B. Howard, Charles E. Miller, Daniel Bunker 2003-10-07 $63,646,000
6525240 Absorbent article containing unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2003-02-25 $35,006,000
6521812 Absorbent article containing a wetlaid unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Mathews, Shahrokh A. Naieni +1 more 2003-02-18 $23,457,000
6518479 Absorbent article containing a foam-formed unitary stratified composite Colin Elston, Daniel Bunker, Fred B. Howard, Jeffrey D. Matthews, Shahrokh A. Naieni +1 more 2003-02-11 $73,370,000
6436231 Method and apparatus for crosslinking individualized cellulose fibers Colin Elston, Fred E. Olmstead, Clifford R. Bolstad, Mark W. Bowns, Frank R. Hunter +1 more 2002-08-20 $65,863,000
5562740 Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers Jeffery Cook, Walter Douglas Daniels, Pedro Antonio Rodriguez, Clifford R. Bolstad, William L. Duncan 1996-10-08 $27,401,000
5437418 Apparatus for crosslinking individualized cellulose fibers Colin Elston, Fred E. Olmstead, Clifford R. Bolstad, Mark W. Bowns, Frank R. Hunter +1 more 1995-08-01 $55,281,000
5399240 Crosslinked cellulose products and method for their preparation Frank R. Hunter 1995-03-21 $46,162,000
5324391 Method for crosslinking cellulose fibers Allan R. Carney, Mark W. Bowns, Clifford R. Bolstad, Fred E. Olmstead 1994-06-28 $24,665,000
5324575 A densified absorbent web of cross-linked high-bulk fiber Rolland F. Sultze, Fred B. Howard 1994-06-28 $24,665,000
5253815 Fiberizing apparatus Mark W. Bowns, Fred E. Olmstead, Clifford R. Bolstad 1993-10-19 $54,079,000
5252275 Method of densifying crosslinked fibers Rolland F. Sultze, Fred B. Howard 1993-10-12 $48,999,000
5225047 Crosslinked cellulose products and method for their preparation Frank R. Hunter 1993-07-06 $61,776,000
4853086 Hydrophilic cellulose product and method of its manufacture 1989-08-01 $33,367,000