Inventor · disambiguated record
Christopher J. Fischer
Also filed as: FISCHER CHRISTOPHER J
5 granted patents·19 citations·filing 2013–2019
75Inventor score
Files withDONALDSON CO INC5
Top patents by PatentIndex Score
5 records- 0187US9153291B2Recirculation filter for an electronic enclosureDONALDSON CO INC·Filed 2014·Granted Oct 6, 2015·8 cites·20 claims
- 0285US8885291B2Recirculation filter for an electronic enclosureDONALDSON CO INC·Filed 2013·Granted Nov 11, 2014·7 cites·20 claims
- 0373US10010822B2Recirculation filter for an electronic enclosureDONALDSON CO INC·Filed 2013·Granted Jul 3, 2018·3 cites·20 claims
- 0458US10482928B2Recirculation filter for an electronic enclosureDONALDSON CO INC·Filed 2015·Granted Nov 19, 2019·1 cites·19 claims
- 0553US11183222B2Recirculation filter for an enclosureDONALDSON CO INC·Filed 2019·Granted Nov 23, 2021·0 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →