A61F 2009/00844
Feedback systems
Official title: {Feedback systems}
A61F2009/00844 (Feedback systems) appears on 1,186 US grants and 1,481 published applications in this corpus.
Search patents in A61F- Granted patents
- 1,186
- Published applications
- 1,481
- Assignees
- 282
- Inventors
- 1,202
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 29 | 20 |
| 2002 | 22 | 50 |
| 2003 | 39 | 36 |
| 2004 | 23 | 47 |
| 2005 | 23 | 36 |
| 2006 | 29 | 36 |
| 2007 | 17 | 30 |
| 2008 | 19 | 44 |
| 2009 | 13 | 46 |
| 2010 | 28 | 30 |
| 2011 | 32 | 63 |
| 2012 | 24 | 30 |
| 2013 | 49 | 56 |
| 2014 | 37 | 77 |
| 2015 | 39 | 60 |
| 2016 | 52 | 87 |
| 2017 | 49 | 67 |
| 2018 | 45 | 76 |
| 2019 | 89 | 81 |
| 2020 | 66 | 86 |
| 2021 | 63 | 82 |
| 2022 | 57 | 68 |
| 2023 | 71 | 79 |
| 2024 | 79 | 72 |
| 2025 | 72 | 71 |
| 2026 | 40 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corneal implant systems and methods6 Oct 2026US 12,751,813 B2Allotex, Inc.
- Method and apparatus for adhering a capsular bag to an intraocular lens29 Sep 2026US 12,746,112 B2Alcon Inc.
- Non-invasive and minimally invasive laser surgery for the reduction of intraocular pressure in the eye29 Sep 2026US 12,746,154 B2ViaLase, Inc.
- Systems and methods for spectacle independence using refractive index writing with an intraocular lens15 Sep 2026US 12,734,028 B2AMO Groningen B. V.
- Corneal topography measurements and fiducial mark incisions in laser surgical procedures15 Sep 2026US 12,734,069 B2AMO Development, LLC
- Optical treatment plan generation1 Oct 2026US 2026/0294541 A1Alcon Inc.
- System and method for guiding laser-assisted surgery based on flexible range optical coherence tomography1 Oct 2026US 2026/0294686 A1Alcon Inc.
- Bi-radial patient interface17 Sep 2026US 2026/0272714 A1Alcon Inc.
- Corneal topography measurements and fiducial mark incisions in laser surgical procedures10 Sep 2026US 2026/0263276 A1AMO Development, LLC
- System and method for laser treatment of ocular tissue using non-collinear imaging10 Sep 2026US 2026/0263278 A1ViaLase, Inc.
Most cited
By later US patents
- Method and apparatus for precision laser surgery784US 5,098,426 APhoenix Laser Systems, Inc. · 1992
- Ophthalmic surgical laser and method397US 5,984,916 A1999
- Automated laser workstation for high precision surgical and industrial interventions381US 6,099,522 AVISX, Incorporated · 2000
- Ophthalmic surgical laser and method365US 6,325,792 B12001
- Optoacoustic imaging for medical diagnosis364US 5,840,023 A1998