DEF quality sensor integrated into a DEF tank with replaceable control circuitry
US-12455267-B2 · Oct 28, 2025 · US
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Singh Navtej patents
Singh Navtej is listed as an inventor on 41 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Singh Navtej |
| Total patents | 41 |
| First publication | Jan 20, 2015 |
| Latest publication | Oct 28, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Diesel exhaust fluid tank conduit connected to air compressor and method
US-2025188860-A1 · Jun 12, 2025 · US
Def quality sensor integrated into a def tank with replaceable control circuitry
US-2024264134-A1 · Aug 8, 2024 · US
Logic for improved delta pressure based soot estimation on low restriction particulate filters
US-11994056-B1 · May 28, 2024 · US
System for reducing band clamp failure
US-11898669-B2 · Feb 13, 2024 · US
Logic for improved delta pressure based soot estimation on low restriction particulate filters
US-11867112-B1 · Jan 9, 2024 · US
System for reducing band clamp failure
US-2023400129-A1 · Dec 14, 2023 · US
Preventative controls logic for coolant control valve (CCV) stuck open
US-11808193-B2 · Nov 7, 2023 · US
Preventative controls logic for coolant control valve (ccv) stuck open
US-2023287823-A1 · Sep 14, 2023 · US
Exhaust gas recirculation cooler barrier layer
US-11566589-B2 · Jan 31, 2023 · US
Recent patents
Latest publications not already listed above.
Exhaust gas recirculation cooler barrier layer
US-2022228543-A1 · Jul 21, 2022 · US
Tunneling functional safety communications over an enhanced serial peripheral interface
US-11113402-B2 · Sep 7, 2021 · US
Platform environment control interface tunneling via enhanced serial peripheral interface
US-11086812-B2 · Aug 10, 2021 · US
DEF dosing using multiple dosing locations while maintaining high passive soot oxidation
US-11008917-B2 · May 18, 2021 · US
Smart def injector for low temperature reductant delivery
US-2020386137-A1 · Dec 10, 2020 · US
Virtual diesel exhaust fluid (DEF) quality monitor
US-10684196-B2 · Jun 16, 2020 · US
Def dosing using multiple dosing locations while maintaining high passive soot oxidation
US-2020063625-A1 · Feb 27, 2020 · US
Tunneling functional safety communications over an enhanced serial peripheral interface
US-2019228160-A1 · Jul 25, 2019 · US
Virtual diesel exhaust fluid (def) quality monitor
US-2019049341-A1 · Feb 14, 2019 · US
Upstream NOx estimation
US-10161329-B2 · Dec 25, 2018 · US
Ammonia estimation method
US-10067045-B2 · Sep 4, 2018 · US
NOx model
US-9921131-B2 · Mar 20, 2018 · US
Scr after-treatment of engine exhaust gas
US-2017234189-A1 · Aug 17, 2017 · US
Scr after-treatment of engine exhaust gas
US-2017234188-A1 · Aug 17, 2017 · US
Platform Environment Control Interface Tunneling Via Enhanced Serial Peripheral Interface
US-2017185559-A1 · Jun 29, 2017 · US
Power modulation for ammonia delivery system
US-9599283-B2 · Mar 21, 2017 · US
Mixing plate as stabilizer for ammonia gas injector
US-9551255-B2 · Jan 24, 2017 · US
CONVERSION OF NOx IN EXHAUST GAS
US-2016153333-A1 · Jun 2, 2016 · US
Trapped soot estimator
US-9353659-B2 · May 31, 2016 · US
Upstream nox estimation
US-2016123258-A1 · May 5, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Int Eng Ip Co Llc | 25 |
| Int Engine Intellectual Prop | 15 |
| Lack Adam C | 9 |
| Singh Navtej | 9 |
| Kelso Jeffrey R | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02T10/12 | 25 |
| F01N3/2066 | 20 |
| F01N2610/02 | 19 |
| F01N3/208 | 16 |
| Y02A50/20 | 8 |