Inventor · disambiguated record
Robert D. Johnston
Also filed as: JOHNSTON ROBERT D · JOHNSTON ROBERT DEAN · JOHNSTON ROBERT G
12 granted patents·7 pending applications·165 citations·filing 1983–2025
91Inventor score
Top patents by PatentIndex Score
19 records- 0197US11198083B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2019·Granted Dec 14, 2021·16 cites·38 claims
- 0297US10512868B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2016·Granted Dec 24, 2019·21 cites·16 claims
- 0396US11660558B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2021·Granted May 30, 2023·9 cites·22 claims
- 0493US10864469B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2018·Granted Dec 15, 2020·4 cites·5 claims
- 0592US11318405B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2017·Granted May 3, 2022·5 cites·12 claims
- 0685US12214307B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 0785US2025050260A1Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2024·Application pending·0 cites
- 0877US4747064AApproaching vehicle informing system and methodJOHNSTON ROBERT D·Filed 1986·Granted May 24, 1988·56 cites·16 claims
- 0977US2025161853A1Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2025·Application pending·0 cites
- 1076US11951433B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2022·Granted Apr 9, 2024·0 cites·18 claims
- 1174US11684882B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2020·Granted Jun 27, 2023·0 cites·14 claims
- 1271US4577071AEcho canceller with adaptive residual center clipper controlled by echo estimateBRITISH TELECOMM·Filed 1983·Granted Mar 18, 1986·31 cites·17 claims
- 1358US2024032860A1Bed system with features to track changes in body weight within a sleep sessionSLEEP NUMBER CORP·Filed 2023·Application pending·0 cites
- 1456US2024164533A1Using force sensors in bed systemsSLEEP NUMBER CORP·Filed 2023·Application pending·0 cites
- 1555US2025375332A1Bed system with features to track changes in body weight within a sleep session using rolling windows finding high quality sensor data including low-entropy sensor dataSLEEP NUMBER CORP·Filed 2025·Application pending·0 cites
- 1655US2002046044A1Internet based program for generating roof contract specificationsFiled 2001·Application pending·0 cites
- 1748US2023181104A1Snore detection and response for adjustable bed systemsSLEEP NUMBER CORP·Filed 2022·Application pending·0 cites
- 1845US6603836B1Interactive voice response apparatus capable of distinguishing between user's incoming voice and outgoing conditioned voice promptsBRITISH TELECOMM·Filed 1997·Granted Aug 5, 2003·13 cites·13 claims
- 1944US4782459AAdaptive recognizing deviceBRITISH TELECOMM·Filed 1985·Granted Nov 1, 1988·10 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →