Inventor · Tacoma, WA, US

Peter A. Graef

24Patents
21h-index
26Co-inventors
85Inventor score

Filing activity: Dec 15, 1986 → Jan 28, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6630054B1 Methods for forming a fluted composite Human Necessities 123 Expired
US5225047A Crosslinked cellulose products and method for their preparation Human Necessities 116 Expired
US7125470B2 Unitary stratified composite Emerging Cross-Sectional Technologies 111 Expired
US6734335B1 Unitary absorbent system Emerging Cross-Sectional Technologies 109 Expired
US7166190B2 Methods for forming a fluted composite Human Necessities 108 Expired
US6518479B1 Absorbent article containing a foam-formed unitary stratified composite Emerging Cross-Sectional Technologies 106 Expired
US6969781B2 Reticulated absorbent composite Human Necessities 99 Expired
US6525240B1 Absorbent article containing unitary stratified composite Emerging Cross-Sectional Technologies 97 Expired
US6673983B1 Wetlaid unitary stratified composite containing absorbent material Emerging Cross-Sectional Technologies 96 Expired
US6867346B1 Absorbent composite having fibrous bands Emerging Cross-Sectional Technologies 93 Expired
US6670522B1 Wetlaid unitary stratified composite Emerging Cross-Sectional Technologies 92 Expired
US5562740A Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers Human Necessities 92 Expired
US6962645B2 Reticulated absorbent composite Human Necessities 89 Expired
US7465373B2 Unitary stratified composite Emerging Cross-Sectional Technologies 84 Active
US6521812B1 Absorbent article containing a wetlaid unitary stratified composite Emerging Cross-Sectional Technologies 80 Expired
US4853086A Hydrophilic cellulose product and method of its manufacture Textiles; Paper 74 Expired
US5252275A Method of densifying crosslinked fibers Emerging Cross-Sectional Technologies 53 Expired
US5437418A Apparatus for crosslinking individualized cellulose fibers Human Necessities 48 Expired
US5399240A Crosslinked cellulose products and method for their preparation Human Necessities 34 Expired
US5324575A A densified absorbent web of cross-linked high-bulk fiber Emerging Cross-Sectional Technologies 28 Expired
US6436231B1 Method and apparatus for crosslinking individualized cellulose fibers Human Necessities 27 Expired
US5253815A Fiberizing apparatus Textiles; Paper 8 Expired
US5324391A Method for crosslinking cellulose fibers Human Necessities 6 Expired
US11592350B2 Balance guide for a tubular element Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.