Inventor · disambiguated record
Mark Belcher
Also filed as: BELCHER MARK · BELCHER MARK D
12 granted patents·1,136 citations·filing 1976–2023
91Inventor score
Top patents by PatentIndex Score
12 records- 0194US4860644AArticulatable fume exhauster trunkDONALDSON CO INC·Filed 1988·Granted Aug 29, 1989·1.1k cites·5 claims
- 0292US8491684B2Filter cartridge; components thereof; and methodsRAETHER THOMAS DONALD·Filed 2010·Granted Jul 23, 2013·15 cites·16 claims
- 0389US8741018B2Filter cartridge with centerboard, dust collectors, and methodsDONALDSON CO INC·Filed 2013·Granted Jun 3, 2014·9 cites·20 claims
- 0483US12370486B2Filter cartridge; components thereof; and methodsDONALDSON CO INC·Filed 2023·Granted Jul 29, 2025·0 cites·6 claims
- 0583US8361182B2Filter cartridge with centerboard, dust collectors, and methodsDONALDSON CO INC·Filed 2010·Granted Jan 29, 2013·5 cites·18 claims
- 0680US10744445B2Filter cartridge; components thereof; and methodsDONALDSON CO INC·Filed 2017·Granted Aug 18, 2020·1 cites·15 claims
- 0772US11623172B2Filter cartridge; components thereof; and methodsDONALDSON CO INC·Filed 2020·Granted Apr 11, 2023·0 cites·9 claims
- 0870US9751036B2Filter cartridge; components thereof; and methodsDONALDSON CO INC·Filed 2013·Granted Sep 5, 2017·1 cites·7 claims
- 0963US4792344AAir filtering method and apparatusDONALDSON CO INC·Filed 1988·Granted Dec 20, 1988·28 cites·26 claims
- 1060US9415336B2Filter cartridge with centerboard, dust collectors, and methodsDONALDSON CO INC·Filed 2014·Granted Aug 16, 2016·0 cites·13 claims
- 1145US9446340B2Air filter cartridgeBABCOCK BRIAN D·Filed 2009·Granted Sep 20, 2016·1 cites·4 claims
- 1242US4083273AHole punching method and apparatusCONWED CORP·Filed 1976·Granted Apr 11, 1978·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →