Five patents currently held, every record listed here
4 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.
10 more records may belong here and await a decision; they are not counted.
The next term ends in Jun 2035. from the record
Of the 4 now held by other companies, 3 name Wolverine Advanced Materials LLC as their current owner, and 1 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jun 2035
Next term end
5
Patent families
When these terms end
Each bar runs from grant to computed term end. 2011 to 2040.
US 10,804,916
Analog-To-Digital Converter Circuit and Method for Analog-To-Digital Conversion
Mar 16, 2038
20172023202920352040
4 pending applications: term is not computable until grant.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 patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Dec 2038 · High confidence
Also notable
Ends Feb 2040 · High confidence
Also notable
Ends Aug 2038 · High confidence
Laminate Including Weldable Regions
US 11,607,751
The newest of the three, granted 2023. It anchors the portfolio to 2038, later than anything else here.
Composite Materials, Vehicle Applications and Methods Thereof
US 11,338,552
Granted 2022. Computed term ends 2040.
Composite Materials Having a Coated Edge and Methods Thereof
US 11,084,061
The earliest of the three still in force, granted 2021 and renewed since. Its term ends first, in 2038.
Formerly held, still cited
Notable
Ends Apr 2030 · High confidence
The most cited patent in this portfolio, cited by 29 later US patents, top 25% of utility patents granted in 2013 in our data. Protection runs to 2030.
now held by Wolverine Advanced Materials, LLC
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.
- 1 fee due Jan 4, 2027The maintenance fee for Oil Pan Assembly Including Laminate and Clinch Nut (US 11,692,467) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
Recent changes
- 1 term has ended since Aug 16, 2026
What they patent
The 4 largest of its 5 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Oil Pan Assembly Including Laminate and Clinch Nut | 1 in force | to Jun 2040 |
| Laminate Including Weldable Regions | 1 in force | to Dec 2038 |
| Composite Materials Having a Coated Edge and Methods Thereof | 1 in force | to Aug 2038 |
| Laminate Including Aluminum Sheets | 1 in force | to Jun 2035 |
Patents held now
Soonest term end first.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,042,884 | Laminate Including Aluminum Sheets In force · High confidence | In force | High confidence | |
| US 11,084,061 | Composite Materials Having a Coated Edge and Methods Thereof In force · High confidence | In force | High confidence | |
| US 11,607,751 | Laminate Including Weldable Regions In force · High confidence | In force | High confidence | |
| US 11,338,552 | Composite Materials, Vehicle Applications and Methods Thereof held by Productive Research LLC and Material Sciences Corporation In force · High confidence | In force | High confidence | |
| US 11,692,467 | Oil Pan Assembly Including Laminate and Clinch Nut In force · High confidence | In force | High confidence |
Also on record, not counted in the 5: 4 patents in force now held by others · 19 patents ended · 4 applications pending · 17 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.