A61F
Filters implantable into blood vessels
Official title: Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits (dental prosthetics a61c)
A61F (Filters implantable into blood vessels) appears on 126,189 US grants and 146,043 published applications in this corpus.
Search patents in A61F- Granted patents
- 126,189
- Published applications
- 146,043
- Assignees
- 24,814
- Inventors
- 137,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 490 | 0 |
| 1977 | 427 | 0 |
| 1978 | 388 | 0 |
| 1979 | 322 | 0 |
| 1980 | 486 | 0 |
| 1981 | 505 | 0 |
| 1982 | 459 | 0 |
| 1983 | 421 | 0 |
| 1984 | 503 | 0 |
| 1985 | 620 | 0 |
| 1986 | 756 | 0 |
| 1987 | 1002 | 0 |
| 1988 | 894 | 0 |
| 1989 | 1146 | 0 |
| 1990 | 1181 | 0 |
| 1991 | 1252 | 0 |
| 1992 | 1253 | 0 |
| 1993 | 1119 | 0 |
| 1994 | 1413 | 0 |
| 1995 | 1455 | 0 |
| 1996 | 1616 | 0 |
| 1997 | 1939 | 0 |
| 1998 | 2466 | 0 |
| 1999 | 2347 | 0 |
| 2000 | 2385 | 0 |
| 2001 | 2442 | 992 |
| 2002 | 2410 | 3308 |
| 2003 | 2830 | 3823 |
| 2004 | 2234 | 4630 |
| 2005 | 1786 | 4975 |
| 2006 | 2032 | 4719 |
| 2007 | 1713 | 4901 |
| 2008 | 1487 | 5247 |
| 2009 | 1771 | 4855 |
| 2010 | 3002 | 5383 |
| 2011 | 3371 | 5552 |
| 2012 | 3946 | 5767 |
| 2013 | 4387 | 6209 |
| 2014 | 4917 | 7204 |
| 2015 | 4882 | 6634 |
| 2016 | 5116 | 6865 |
| 2017 | 5273 | 7091 |
| 2018 | 4940 | 6870 |
| 2019 | 5962 | 7330 |
| 2020 | 5829 | 7409 |
| 2021 | 5374 | 7033 |
| 2022 | 5123 | 6877 |
| 2023 | 4935 | 6399 |
| 2024 | 5225 | 6213 |
| 2025 | 5007 | 5724 |
| 2026 | 3350 | 4033 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- A61F 2/00Filters implantable into blood vessels68,628
- A61F 13/00Bandages or dressings21,939
- A61F 2250/00Special features of prostheses classified in groups a61f2/00 - a61f2/26 or a61f2/82Indexing code18,159
- A61F 5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints16,850
- A61F 2230/00Geometry of prostheses classified in groups a61f2/00 - a61f2/26 or a61f2/82 orIndexing code14,625
- A61F 2220/00Fixations or connections for prostheses classified in groups a61f2/00 - a61f2/26 orIndexing code13,966
- A61F 9/00Methods or devices for treatment of the eyes12,959
- A61F 2210/00Particular material properties of prostheses classified in groups a61f2/00 - a61f2/26 orIndexing code9,545
All 17 main groupsShow fewer
- A61F 2310/00Prostheses classified in a61f2/28 or a61f2/30 - a61f2/44 being constructed from orIndexing code9,368
- A61F 7/00Heating or cooling appliances for medical or therapeutic treatment of the human6,064
- A61F 2240/00Manufacturing or designing of prostheses classified in groups a61f2/00 - a61f2/26 orIndexing code3,109
- A61F 11/00Methods or devices for treatment of the ears or hearing sense2,203
- A61F 6/00Contraceptive devices1,754
- A61F 15/00Auxiliary appliances for wound dressings1,199
- A61F 4/00Methods or devices enabling patients or disabled persons to operate an apparatus311
- A61F 17/00First-aid kits238
- A61F 3/00Lengthening pieces for natural legs9
Recent patents
- Intraocular pressure sensing device and method using sensor based on half Wheatstone bridge6 Oct 2026US 12,751,619 B2Research & Business Foundation Sungkyunkwan University
- Device for heart repair6 Oct 2026US 12,751,709 B2Cardiomech AS
- Surgical devices for bone6 Oct 2026US 12,751,715 B2Expand Medical Ltd.
- Assembly for use in knee surgery6 Oct 2026US 12,751,723 B2Eventum Orthopaedics Limited
- Ankle replacement system and method6 Oct 2026US 12,751,726 B2Wright Medical Technology, Inc.
- Wearable Compression Apparatus for Localized Therapeutic Treatment8 Oct 2026US 2026/0305739 A1
- Implantable devices and methods to treat benign prostate hyperplasia (bph) and associated lower urinary tract symptoms (luts)8 Oct 2026US 2026/0305930 A1Prodeon Medical Corporation
- Hand warmer device for capillary blood collection8 Oct 2026US 2026/0305993 A1Babson Diagnostics, Inc.
- Methods and apparatus for plaque disruption8 Oct 2026US 2026/0306119 A1Elixir Medical Corporation
- Systems and methods for endoluminal valve creation8 Oct 2026US 2026/0306131 A1InterVene, Inc.
Most cited
By later US patents
- Expandable intraluminal graft, and method and apparatus for implanting an expandable intraluminal graft3,751US 4,733,665 AExpandable Grafts Partnership · 1988
- Apparatus and method for applying surgical staples to attach an object to body tissue2,757US 5,497,933 AUnited States Surgical Corporation · 1996
- Prosthesis comprising an expansible or contractile tubular body2,717US 4,655,771 AShepherd Patents S.A. · 1987
- Devices and methods for performing a vascular anastomosis2,683US 5,695,504 AHeartport, Inc. · 1997
- Apparatus and method for applying surgical staples to attach an object to body tissue2,528US 5,289,963 AUnited States Surgical Corporation · 1994