Term ends Apr 15, 2029 · High confidence
20-year base term ended Apr 10, 2023
Held by Wayne Fueling Systems LLC
Filed Nov 14, 2006 as application 11/559,837 · Granted Jun 2, 2015
Base term plus 2197 days of patent term adjustment (USPTO delay)
Today
2003
2029
Clock starts
Apr 10, 2003
Apr 10, 2003
Term ends
Apr 15, 2029
Apr 15, 2029
Granted
Jun 2, 2015
Jun 2, 2015
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
2,197
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
10
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 2197 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Apr 10, 2003, when application 10/411,524, the earliest non-provisional in its chain, was filed (this one was filed Nov 14, 2006) | Apr 10, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2197 days, USPTO patent term adjustment record | Apr 15, 2029 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 15, 2029 | High confidence |
This family
| US 7,624,042 | Term ended Nov 2025 | Nov 2025 |
| US 8,925,808 | In force Mar 2027 | Mar 2027 |
| US 9,045,324 | this patent Apr 2029 | Apr 2029 |
| Application PCT/US2006/044256 | PCT application no patent term | no patent term |
| US 10,108,943 | Term ended Apr 2024 | Apr 2024 |
| US 10,118,814 | Term ended Apr 2024 | Apr 2024 |
| Application 15/669,109 | Abandoned not computed | not computed |
| US 10,990,942 | Term ended May 2023 | May 2023 |
8 of 10 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jun 28, 2007 Reel 19489, frame 178 | Dresser Intermediate Holdings, Inc.; Crfrc-D Merger Sub, Inc.; Dresser, Inc.; Dresser International, Inc.; Dresser Entech, Inc.; Dresser Re, Inc.; Ring-o Valve, Incorporated | Lehman Commercial Paper Inc., as Collateral Agent | Intellectual Property First Lien Security Agreement |
| Jun 28, 2007 Reel 19489, frame 283 | Dresser Intermediate Holdings, Inc.; Crfrc-D Merger Sub, Inc.; Dresser, Inc.; Dresser International, Inc.; Dresser Entech, Inc.; Dresser Re, Inc.; Ring-o Valve, Incorporated | Lehman Commercial Paper Inc., as Collateral Agent | Intellectual Property Second Lien Security Agreement |
| Aug 3, 2007 Reel 19645, frame 979 | Harrell, Daniel C | Dresser, Inc. | Assignment of Assignor's Interest |
| Feb 3, 2011 Reel 25741, frame 490 | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Intermediate Holdings, Inc.; Crfrc-D Merger Sub, Inc.; Dresser, Inc.; Dresser International, Inc.; Dresser Entech, Inc.; Dresser Re, Inc.; Ring-o Valve, Incorporated | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 Reel 25741, frame 527 | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Intermediate Holdings, Inc.; Crfrc-D Merger Sub, Inc.; Dresser, Inc.; Dresser International, Inc.; Dresser Entech, Inc.; Dresser Re, Inc.; Ring-o Valve, Incorporated | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Intermediate Holdings, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Crfrc-D Merger Sub, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser International, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Entech, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Re, Inc. | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Ring-o Valve, Incorporated | Release of First Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/178 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Intermediate Holdings, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Crfrc-D Merger Sub, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser International, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Entech, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Dresser Re, Inc. | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Feb 3, 2011 reel/frame not recorded | Barclays Bank PLC, as Successor in Interest to Lehman Commercial Paper Inc., as Collateral Agent | Ring-o Valve, Incorporated | Release of Second Lien Security Interest in Intellectual Property Recorded at Reel/Frame 19489/283 |
| Jun 20, 2014 Reel 33204, frame 680 | Wayne Fueling Systems, LLC | Citibank, N.A., as Collateral Agent | Security Interest |
| Aug 7, 2014 Reel 33484, frame 698 | Dresser, Inc. | Wayne Fueling Systems LLC | Assignment of Assignor's Interest |
| Dec 19, 2016 Reel 41032, frame 148 | Citibank, N.a. | Wayne Fueling Systems LLC | Termination of Security Interest in Patent Collateral (Second Lien - Releases RF 033204-0647) |
| Dec 19, 2016 Reel 41032, frame 261 | Citibank, N.a. | Wayne Fueling Systems LLC | Termination of Security Interest in Patent Collateral (First Lien - Releases RF 033204-0647) |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Apr 2029
Term ends Apr 15, 2029. Maintenance fees still fall due before then
Note
The 2197 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is above the median of utility patents granted in 2015 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.