0 patents currently held, every record listed here
8 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.
1 more record may belong here and awaits a decision; it is not counted.
This portfolio holds none of the 8 US patents in force on its record. from the record
Of the 8 now held by other companies, 8 name Illinois Tool Works Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end
When these terms end
Each bar runs from grant to computed term end. 2012 to 2037.
US 9,598,795
Fiber Oxidation Oven with Multiple Independently Controllable Heating Systems
Aug 13, 2034
US 10,767,283
Ovens, Discharge Nozzle Plates for Distribution of Gas Through an Oven, and Methods to Operate an Oven
Aug 26, 2037
20172022202720322037
Every computed term in this portfolio is shown above.Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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
None of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Aug 2029 · High confidence
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2029.
now held by Illinois Tool Works Inc.
Also notable
Ends Aug 2037 · High confidence
The newest of the three, granted 2020. It anchors the portfolio to 2037, later than anything else here.
now held by Illinois Tool Works Inc.
Also notable
Ends Aug 2034 · High confidence
Granted 2017 and renewed at every maintenance window due so far. Protection runs to 2034.
now held by Illinois Tool Works Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first.
Also on record: 8 patents in force now held by others · 4 patents ended · 3 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.