US 7,798,147 · Application 10/627,941
US Patent 7,798,147 — assignment history and current owner
Bronchial Flow Control Devices With Membrane Seal
Who owns US Patent 7,798,147?
US7798147 ("Bronchial Flow Control Devices With Membrane Seal") — current assignee: PULMONX CORPORATION. Status: Expired. 11 recorded USPTO assignments.
Based on recorded USPTO assignment data, the apparent operating assignee of US Patent 7,798,147 is PULMONX CORPORATION. Based on the most recent merger / corporate change record (recorded 2018-08-13).
- Patent title
- Bronchial Flow Control Devices With Membrane Seal
- Application number
- 10/627,941
- Apparent operating assignee
- PULMONX CORPORATION
- Patent status
- Expired
- Recorded assignments
- 11
Note: a security interest appears active (PERCEPTIVE CREDIT HOLDINGS V, LP, AS ADMINISTRATIVE AGENT) with no recorded release. Security interests reflect financing arrangements, not operating ownership.
Recorded assignment history
| Executed | Recorded | Conveyance | Assignor(s) | Assignee(s) | Reel/frame |
|---|---|---|---|---|---|
| Jul 17, 2003 | Nov 17, 2003 | Ownership Transfer | FIELDS, ANTONY J.; HENDRICKSEN, MICHAEL; HUNDERTMARK, RONALD; WILSON, PETER | EMPHASYS MEDICAL, INC. | 14719/127 |
| Mar 31, 2009 | Jun 9, 2009 | Ownership Transfer | EMPHASYS MEDICAL, INC. | PULMONX | 22801/122 |
| May 15, 2017 | May 15, 2017 | Security Interest | PULMONX CORPORATION | OXFORD FINANCE LLC, AS COLLATERAL AGENT | 42466/349 |
| May 15, 2017 | Jul 26, 2017 | Security Interest | PULMONX CORPORATION | BOSTON SCIENTIFIC CORPORATION | 43349/725 |
| Dec 30, 2013 | Aug 13, 2018 | Merger / Corporate Change | PULMONX | PULMONX CORPORATION | 46774/55 |
| Feb 20, 2020 | Mar 2, 2020 | Security Interest | PULMONX CORPORATION | CANADIAN IMPERIAL BANK OF COMMERCE | 52916/213 |
| Sep 30, 2020 | Sep 30, 2020 | Release of Security Interest | OXFORD FINANCE LLC, AS COLLATERAL AGENT | PULMONX CORPORATION | 53952/44 |
| Sep 30, 2020 | Sep 30, 2020 | Release of Security Interest | BOSTON SCIENTIFIC CORPORATION | PULMONX CORPORATION | 53953/548 |
| Jan 26, 2026 | Jan 27, 2026 | Security Interest | PULMONX CORPORATION | CANADIAN IMPERIAL BANK OF COMMERCE | 74570/1 |
| Mar 2, 2026 | Mar 2, 2026 | Security Interest | PULMONX CORPORATION | PERCEPTIVE CREDIT HOLDINGS V, LP, AS ADMINISTRATIVE AGENT | 75012/453 |
| Mar 2, 2026 | Mar 4, 2026 | Release of Security Interest | CANADIAN IMPERIAL BANK OF COMMERCE | PULMONX CORPORATION | 75028/274 |
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Chain of title
In 2003, FIELDS, ANTONY J.; HENDRICKSEN, MICHAEL (+2 more) assigned the patent to EMPHASYS MEDICAL, INC.. The most recent ownership transfer, recorded in 2009, lists PULMONX as assignee. In 2018, a corporate change was recorded from PULMONX to PULMONX CORPORATION. In 2026, PERCEPTIVE CREDIT HOLDINGS V, LP, AS ADMINISTRATIVE AGENT recorded a security interest; this reflects a financing arrangement, not a change in operating ownership.
Apparent recorded rights summary — disclaimer
This tool presents recorded assignment data from the USPTO assignment database. It does not constitute a legal opinion on ownership or title. Assignments may exist that have not been recorded. Corrective records, off-record transfers, court orders, and other events may affect actual ownership. Consult a qualified patent attorney for definitive title analysis.
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Application 10/627,941 · US 7,798,147
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Data sourced from public USPTO assignment records. This tool provides informational summaries and should not be relied upon as legal advice or a definitive title opinion. Always verify patent ownership independently, especially where unrecorded transfers, court orders, or other off-record events may apply.