A61J 15/0003
Nasal or oral feeding-tubes
Official title: {Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth}
A61J15/0003 (Nasal or oral feeding-tubes) appears on 408 US grants and 553 published applications in this corpus.
Search patents in A61J- Granted patents
- 408
- Published applications
- 553
- Assignees
- 264
- Inventors
- 932
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 11 |
| 2004 | 3 | 7 |
| 2005 | 2 | 6 |
| 2006 | 6 | 13 |
| 2007 | 3 | 14 |
| 2008 | 1 | 18 |
| 2009 | 2 | 16 |
| 2010 | 7 | 11 |
| 2011 | 9 | 16 |
| 2012 | 6 | 20 |
| 2013 | 9 | 18 |
| 2014 | 7 | 31 |
| 2015 | 13 | 24 |
| 2016 | 13 | 28 |
| 2017 | 31 | 30 |
| 2018 | 7 | 35 |
| 2019 | 26 | 39 |
| 2020 | 30 | 39 |
| 2021 | 27 | 42 |
| 2022 | 20 | 36 |
| 2023 | 22 | 22 |
| 2024 | 27 | 30 |
| 2025 | 21 | 25 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-section combination nasogastric tube15 Sep 2026US 12,734,114 B2
- Gastric sizing systems including instruments for use in bariatric surgery1 Sep 2026US 12,721,742 B2Boehringer Laboratories, Inc.
- Apparatus for holding a tube and associated method of use1 Sep 2026US 12,721,789 B2Ezyaid Pty Ltd
- Nasogastric tube30 Jun 2026US 12,667,524 B2Envue Medical Holdings, Corp.
- Feeding tube with electromagnetic sensor and camera2 Jun 2026US 12,642,752 B2Envue Medical Holdings, Corp.
- Nasogastric device and uses thereof8 Oct 2026US 2026/0306365 A1Connecticut Children’s Medical Center
- Internally Anchored, Tape-Free Nasal Tube17 Sep 2026US 2026/0272786 A1Good Doctor Biotechnology Co., Ltd.
- Medical tube position confirmation system3 Sep 2026US 2026/0256526 A1Otsuka Clinical Solutions, Inc.
- Guide for medical insertion tool3 Sep 2026US 2026/0256655 A1JMS Co., Ltd.
- Apparatus and method for positioning a tube27 Aug 2026US 2026/0248559 A1Intelligent Ultrasound Limited
Most cited
By later US patents
- Intubation device for enteral feeding1,474US 7,771,396 B2Ethicon Endo-Surgery, Inc. · 2010
- Laparoscopic jejunostomy instrumentation kit274US 5,318,543 AAbbott Laboratories · 1994
- Medical device anchoring system and method262US 6,315,789 B12001
- Gastrostomy catheter system261US 5,458,583 AMedical Innovations Corporation · 1995
- Modified nasogastric tube for use in enteral feeding225US 5,334,167 A1994