P

Inventor

RAETHER THOMAS D

US55 patents
⚠️ This page may combine multiple inventors who share the name “RAETHER THOMAS D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONALDSON CO INC

41 patents
US5562746AOct 8, 1996

Air filter assembly for filtering air with particulate matter

DONALDSON CO INC160 citations99
US7338544B2Mar 4, 2008

Z-filter media with reverse-flow cleaning systems and methods

DONALDSON CO INC126 citations98
US7282075B2Oct 16, 2007

Z-filter media with reverse-flow cleaning systems and methods

DONALDSON CO INC175 citations98
US7641708B2Jan 5, 2010

Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter

DONALDSON CO INC52 citations97
USD499177SNov 30, 2004

Filter element having oval shape

DONALDSON CO INC71 citations97
US6387162B1May 14, 2002

Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter

DONALDSON CO INC91 citations97
US6090173AJul 18, 2000

Air filter assembly for filtering air with particulate matter

DONALDSON CO INC148 citations97
USD734436SJul 14, 2015

Circular filter end cap with alignment features

DONALDSON CO INC27 citations93
US7967898B2Jun 28, 2011

Z-filter media with reverse-flow cleaning systems and methods

DONALDSON CO INC25 citations92
US7264656B2Sep 4, 2007

Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter

DONALDSON CO INC21 citations92
US6364921B1Apr 2, 2002

Air filter assembly for filtering air having particulate matter

DONALDSON CO INC49 citations92
US11745133B2Sep 5, 2023

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC4 citations86
US6368388B1Apr 9, 2002

Filter construction apparatus and method

DONALDSON CO INC34 citations86
US11123671B2Sep 21, 2021

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC5 citations84
US10556198B2Feb 11, 2020

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC5 citations84
US10350531B2Jul 16, 2019

Ovate tubular filter cartridges and filter systems using the same

DONALDSON CO INC5 citations84
USD800894SOct 24, 2017

Ovate filter cartridge end cap

DONALDSON CO INC10 citations84
US9795908B2Oct 24, 2017

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC7 citations84
US9630134B2Apr 25, 2017

Ovate tubular filter cartridges and filter systems using the same

DONALDSON CO INC7 citations84
USD781409SMar 14, 2017

Ovate filter cartridge end cap

DONALDSON CO INC11 citations84
US9067164B2Jun 30, 2015

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC10 citations84
US8758486B2Jun 24, 2014

Nozzle arrangements and method for cleaning filter elements

DONALDSON CO INC4 citations84
US8349044B2Jan 8, 2013

Filter apparatus with pulse cleaning and methods for pulse cleaning filters

DONALDSON CO INC6 citations84
US10137396B2Nov 27, 2018

Filter element, dust collector, and methods

DONALDSON CO INC5 citations83
US11701609B2Jul 18, 2023

Ovate tubular filter cartridges and filter systems using the same

DONALDSON CO INC1 citations73
US10967322B2Apr 6, 2021

Ovate tubular filter cartridges and filter systems using the same

DONALDSON CO INC1 citations73
USD896942SSep 22, 2020

Filter cartridge assembly

DONALDSON CO INC3 citations73
US10245543B2Apr 2, 2019

Air filter systems and methods of using the same

DONALDSON CO INC5 citations73
US9604172B2Mar 28, 2017

Diverging nozzles and filter element cleaning systems using diverging nozzles

DONALDSON CO INC6 citations73
US9126132B2Sep 8, 2015

Air filter assembly having venturi elements with extended pulse outlets

DONALDSON CO INC5 citations73
US10744445B2Aug 18, 2020

Filter cartridge; components thereof; and methods

DONALDSON CO INC1 citations71
US12551837B2Feb 17, 2026

Filter element for pulse cleaning and methods

DONALDSON CO INC0 citations63
US12134060B2Nov 5, 2024

Filter systems with dirty air chamber spacer elements and methods of using the same

DONALDSON CO INC0 citations63
US12090435B2Sep 17, 2024

Ovate tubular filter cartridges and filter systems using the same

DONALDSON CO INC0 citations63
US11931681B2Mar 19, 2024

Air filter systems and methods of using the same

DONALDSON CO INC0 citations63
USD773635SDec 6, 2016

Filter cartridge yoke

DONALDSON CO INC2 citations63
US9162234B2Oct 20, 2015

Nozzle arrangements and method for cleaning filter elements

DONALDSON CO INC3 citations63
US12053734B2Aug 6, 2024

Filter element, dust collector, and methods

DONALDSON CO INC0 citations62
US10946322B2Mar 16, 2021

Filter element, dust collector, and methods

DONALDSON CO INC0 citations62
US12370486B2Jul 29, 2025

Filter cartridge; components thereof; and methods

DONALDSON CO INC0 citations60
US11623172B2Apr 11, 2023

Filter cartridge; components thereof; and methods

DONALDSON CO INC0 citations60

RAETHER THOMAS D

8 patents

MERCHANT & GOULD

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.