A61F 13/44
With radio-opaque material or signalling means for residual material
Official title: with radio-opaque material or signalling means for residual material
A61F13/44 (With radio-opaque material or signalling means for residual material) appears on 122 US grants and 134 published applications in this corpus.
Search patents in A61F- Granted patents
- 122
- Published applications
- 134
- Assignees
- 71
- Inventors
- 212
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 6 |
| 2006 | 0 | 4 |
| 2007 | 4 | 4 |
| 2008 | 3 | 10 |
| 2009 | 0 | 4 |
| 2010 | 5 | 1 |
| 2011 | 0 | 3 |
| 2012 | 5 | 6 |
| 2013 | 1 | 5 |
| 2014 | 1 | 3 |
| 2015 | 4 | 8 |
| 2016 | 5 | 8 |
| 2017 | 3 | 4 |
| 2018 | 5 | 9 |
| 2019 | 2 | 8 |
| 2020 | 6 | 3 |
| 2021 | 9 | 19 |
| 2022 | 2 | 6 |
| 2023 | 5 | 2 |
| 2024 | 7 | 5 |
| 2025 | 7 | 4 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System including a wearable absorbent hygiene article and a hygiene monitoring device21 Oct 2025US 12,447,067 B2Essity Hygiene and Health Aktiebolag
- Apparatus and methods for monitoring objects in a surgical field15 Jul 2025US 12,357,412 B2Stryker Corporation
- Sensor device for diaper1 Jul 2025US 12,343,241 B2Atlab Inc.
- Sterilizable wirelessly detectable objects for use in medical procedures and methods of making same17 Jun 2025US 12,329,592 B2Covidien LP
- Medical articles with radio opaque patterns3 Jun 2025US 12,318,269 B2Solventum Intellectual Properties Company
- System, apparatus and methods for recognizing surgical articles left inside patients23 Jul 2026US 2026/0207295 A1Tally Surgical, Inc.
- Safe suction tip26 Mar 2026US 2026/0083475 A1
- Quiet surgical suction26 Mar 2026US 2026/0083476 A1
- Safe surgical suction sponge26 Mar 2026US 2026/0083895 A1
- X-ray and metal detectable bandage1 Jan 2026US 2026/0000542 A1Aero Healthcare (US), LLC
Most cited
By later US patents
- Tracking medical products with integrated circuits1,289US 6,861,954 B22005
- X-ray marker1,179US 4,985,019 A1991
- Surgical implement detector utilizing a resonant marker408US 5,057,095 A1991
- Apparatus for detecting surgical objects within the human body376US 5,456,718 A1995
- Surgical implement detector utilizing a powered marker325US 5,190,059 A1993