1,459 patents currently held
91 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2026. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
89
Ending by 2030
Dec 2026
Next term end
1,158
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2037 · High confidence
Also notable
Ends Aug 2029 · High confidence
Also notable
Ends May 2040 · High confidence
Systems, Methods, and Apparatus for Operation of Dual Fuel Engines
US 10,815,913
Cited by 16 later US patents, top 25% of utility patents granted in 2020 in our data. Protection runs to 2037.
System and Method for NOx Reduction Optimization
US 7,861,518
Cited by 48 later US patents, top 25% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029.
Multiple Heater Exhaust Aftertreatment System Architecture and Methods of Control Thereof
US 11,339,698
Cited by 7 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2040.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 17 fees due Nov 14 to 30, 2026 · next Nov 14
- 25 fees due Dec 6 to 27, 2026 · next Dec 6
- 18 fees due Jan 2 to 30, 2027 · next Jan 2
- 34 fees due Feb 1 to 28, 2027 · next Feb 1
- 25 fees due Mar 3 to 26, 2027 · next Mar 3
- 30 fees due Apr 1 to 30, 2027 · next Apr 1
- 33 fees due May 3 to 28, 2027 · next May 3
- 22 fees due Jun 3 to 30, 2027 · next Jun 3
- 29 fees due Jul 2 to 30, 2027 · next Jul 2
- 31 fees due Aug 2 to 27, 2027 · next Aug 2
- 30 fees due Sep 1 to 30, 2027 · next Sep 1
- 23 fees due Oct 2 to 30, 2027 · next Oct 2
- 7 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- Nov 6Assignment recorded on 1 record: Grunwald, Silvia and 3 others to Cummins Inc. Recorded Nov 6, 2026, executed Nov 5, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76663, frame 210.
- Nov 6Assignment recorded on 1 record: McNab, Neil Graham and 3 others to Cummins Inc. Recorded Nov 6, 2026, executed Aug 3, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76675, frame 261.
- 43 of the patents on this record were granted since Aug 16, 2026
- 18 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 1,158 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| System, Method, and Apparatus for Controlling Power Output Distribution in a Hybrid Power Train | 9 in force | to Sep 2032 |
| System and Method for Measuring Fuel Injection During Pump Operation | 7 in force | to Sep 2041 |
| System and Method for Controlling Vehicle Idling and Maintaining Vehicle Electrical System Integrity | 6 in force | to Jul 2031 |
| Increase Aftertreatment Temperature During Light Load Operation | 5 in force | to Oct 2037 |
| Reference Value Engine Control Systems and Methods | 5 in force | to Mar 2036 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,533,524 | Method and Apparatus for Soot Filter Catalyst Temperature Control with Oxygen Flow Constraint In force · High confidence | In force | High confidence | |
| US 7,654,079 | Diesel Oxidation Catalyst Filter Heating System In force · High confidence | In force | High confidence | |
| US 7,513,242 | Fuel Injector Assembly with Injector Seal Retention held by Cummins Scania HPCR System, LLC In force · High confidence | In force | High confidence | |
| US 7,654,076 | System for Controlling Adsorber Regeneration In force · High confidence | In force | High confidence | |
| US 7,814,890 | Injection Means for a Combustion Engine held by Cummins-Scania HPCR System, LLC In force · High confidence | In force | High confidence | |
| US 7,588,368 | System for Diagnosing Temperature Sensor Operation in an Exhaust Gas Aftertreatment System In force · High confidence | In force | High confidence | |
| US 7,571,640 | Misfire Detection in Engines for On-Board-Diagnostics In force · High confidence | In force | High confidence | |
| US 7,581,390 | Method and System for Improving Sensor Accuracy In force · High confidence | In force | High confidence | |
| US 7,631,492 | System and Method for Inhibiting Uncontrolled Regeneration of a Particulate Filter for an Internal Combustion Engine In force · High confidence | In force | High confidence | |
| US 7,690,361 | System and Method for Metering Fuel in a High Pressure Pump System held by Cummins Scania HPCR System, LLC In force · High confidence | In force | High confidence |
Also on record, not counted in the 1,459: 91 patents in force now held by others · 258 patents ended · 427 applications pending · 144 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.