Inventor · disambiguated record
Randall Allen Engelland
Also filed as: ENGELLAND RANDALL · ENGELLAND RANDALL A · ENGELLAND RANDALL ALLEN
14 granted patents·1 pending application·822 citations·filing 2004–2020
95Inventor score
Top patents by PatentIndex Score
15 records- 0199US8808417B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2013·Granted Aug 19, 2014·33 cites·30 claims
- 0299US7972405B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2010·Granted Jul 5, 2011·72 cites·17 claims
- 0399US7682416B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2005·Granted Mar 23, 2010·149 cites·6 claims
- 0499US7351270B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2004·Granted Apr 1, 2008·214 cites·20 claims
- 0598US8382876B2Air cleaner arrangement; serviceable filter cartridge; and, methodsDONALDSON CO INC·Filed 2011·Granted Feb 26, 2013·70 cites·19 claims
- 0698US7323029B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2004·Granted Jan 29, 2008·118 cites·13 claims
- 0797US9217399B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2014·Granted Dec 22, 2015·19 cites·27 claims
- 0897US8048188B2Air cleaner arrangements; serviceable filter cartridge; and, methodsDONALDSON CO INC·Filed 2005·Granted Nov 1, 2011·74 cites·19 claims
- 0996US8382875B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2012·Granted Feb 26, 2013·30 cites·28 claims
- 1094US8147582B2Air cleaner arrangements; serviceable filter elements; and, methodsENGELLAND RANDALL ALLEN·Filed 2008·Granted Apr 3, 2012·32 cites·28 claims
- 1190USRE45588EAir cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2013·Granted Jun 30, 2015·8 cites·37 claims
- 1288US10010825B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2015·Granted Jul 3, 2018·2 cites·19 claims
- 1387US10589209B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2018·Granted Mar 17, 2020·1 cites·34 claims
- 1472US11318408B2Air cleaner arrangements; serviceable filter elements; and, methodsDONALDSON CO INC·Filed 2020·Granted May 3, 2022·0 cites·31 claims
- 1551US2022226764A1Pulse air cleaner system with pulse tube extensionDONALDSON CO INC·Filed 2020·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →