Inventor
HALL JOHN R B
US18 patents
⚠️ This page may combine multiple inventors who share the name “HALL JOHN R B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONALDSON CO INC
16 patentsUS8366797B2Feb 5, 2013
Fine fiber media layer
DONALDSON CO INC58 citations99
US7318852B2Jan 15, 2008
Bag house filter with fine fiber and spun bonded media
DONALDSON CO INC109 citations99
US7316723B2Jan 8, 2008
Air filter with fine fiber and spun bonded media
DONALDSON CO INC155 citations99
US7179317B2Feb 20, 2007
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC122 citations99
US7090715B2Aug 15, 2006
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC127 citations99
US7070640B2Jul 4, 2006
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC138 citations99
US6955775B2Oct 18, 2005
Process if making fine fiber material
DONALDSON CO INC180 citations99
US6924028B2Aug 2, 2005
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC168 citations99
US6743273B2Jun 1, 2004
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC427 citations99
US7270693B2Sep 18, 2007
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC116 citations98
US10967315B2Apr 6, 2021
Fine fiber media layer
DONALDSON CO INC29 citations97
US7318853B2Jan 15, 2008
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DONALDSON CO INC52 citations97
US8029588B2Oct 4, 2011
Fine fiber media layer
DONALDSON CO INC38 citations96
US9718012B2Aug 1, 2017
Fine fiber media layer
DONALDSON CO INC9 citations92
US8709118B2Apr 29, 2014
Fine fiber media layer
DONALDSON CO INC9 citations92
US10272374B2Apr 30, 2019
Fine fiber media layer
DONALDSON CO INC2 citations84