Also listed on The Raymond Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Feb 10, 2026 (Wilmington Trust, National Association).
Term ends Mar 30, 2028 · High confidence
20-year base term ends Nov 14, 2027
Held by Schenck Process LLC
Filed Nov 13, 2008 as application 12/270,073 · Granted Jun 21, 2011
Base term plus 137 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Nov 14, 2007
Nov 14, 2007
Term ends
Mar 30, 2028
Mar 30, 2028
Granted
Jun 21, 2011
Jun 21, 2011
base term
patent term adjustment
fee events
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
137
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 137 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 14, 2007, when application 11/939,621, the earliest non-provisional in its chain, was filed (this one was filed Nov 13, 2008) | Nov 14, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +137 days, USPTO patent term adjustment record | Mar 30, 2028 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 30, 2028 | High confidence |
This family
| US 7,665,681 | In force Apr 2028 | Apr 2028 |
| US 7,963,471 | this patent Mar 2028 | Mar 2028 |
| Application PCT/US2008/083489 | PCT application no patent term | no patent term |
| Application PCT/US2008/083565 | PCT application no patent term | no patent term |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 13, 2008 Reel 21828, frame 456 | Chen, Michael M. | Alstom Technology Ltd. | Assignment of Assignor's Interest |
| Dec 9, 2015 Reel 37244, frame 901 | Alstom Technology Ltd. | Arvos Technology Limited | Assignment of Assignor's Interest |
| Dec 16, 2015 Reel 37311, frame 503 | Arvos Technology Limited | Arvos Inc. | Assignment of Assignor's Interest |
| Mar 28, 2017 Reel 41759, frame 760 | Arvos Inc. | Arvos Raymond Bartlett Snow LLC. | Assignment of Assignor's Interest |
| Mar 25, 2020 Reel 52217, frame 562 | Raymond Barlett Snow LLC | Schenck Process LLC | Merger |
| Mar 25, 2020 Reel 52218, frame 899 | Arvos Raymond Barlett Snow LLC | Raymond Barlett Snow LLC | Change of Name |
| Feb 10, 2026 Reel 74733, frame 605 | Baker Perkins, Inc.; Coperion Corporation; Coperion Process Solutions LLC (F/K/A Schenck Process LLC); Coperion Food Equipment LLC; Mold-Masters Dme Company LLC (F/K/A Dme Company LLC); K-Tron Technologies, Inc.; Rotex Global, LLC; Shick Solutions, Inc. | Wilmington Trust, National Association, as Collateral Agent | Security Interest (LC) |
| Feb 10, 2026 Reel 74733, frame 711 | Baker Perkins, Inc.; Coperion Corporation; Coperion Process Solutions LLC (F/K/A Schenck Process LLC); Coperion Food Equipment LLC; Mold-Masters Dme Company LLC (F/K/A Dme Company LLC); K-Tron Technologies, Inc.; Rotex Global, LLC; Shick Solutions, Inc. | Wilmington Trust, National Association, as Notes Collateral Agent | Security Interest (Secured Notes) |
| Feb 10, 2026 Reel 75115, frame 459 | Baker Perkins, Inc.; Coperion Corporation; Coperion Process Solutions LLC (F/K/A Schenck Process LLC); Coperion Food Equipment LLC; Mold-Masters Dme Company LLC (F/K/A Dme Company LLC); K-Tron Technologies, Inc.; Rotex Global, LLC; Shick Solutions, Inc. | Bank of America, N.A., as Administrative Agent | Security Interest (TL/RCF) |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
What's changing
Mar 2028
Term ends Mar 30, 2028. No further fees fall due before then
Note
The 137 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is below the median of utility patents granted in 2011 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.