B29L 2031/7544
Injection needles, syringes
Official title: {Injection needles, syringes}
B29L2031/7544 (Injection needles, syringes) appears on 322 US grants and 431 published applications in this corpus.
Search patents in B29L- Granted patents
- 322
- Published applications
- 431
- Assignees
- 230
- Inventors
- 796
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 4 |
| 2003 | 4 | 2 |
| 2004 | 4 | 11 |
| 2005 | 1 | 5 |
| 2006 | 3 | 6 |
| 2007 | 5 | 6 |
| 2008 | 2 | 14 |
| 2009 | 5 | 10 |
| 2010 | 8 | 20 |
| 2011 | 7 | 11 |
| 2012 | 8 | 14 |
| 2013 | 6 | 17 |
| 2014 | 12 | 15 |
| 2015 | 6 | 18 |
| 2016 | 12 | 38 |
| 2017 | 12 | 36 |
| 2018 | 16 | 33 |
| 2019 | 30 | 34 |
| 2020 | 37 | 32 |
| 2021 | 22 | 28 |
| 2022 | 16 | 25 |
| 2023 | 26 | 19 |
| 2024 | 16 | 16 |
| 2025 | 11 | 11 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric microstructures and systems and methods for making same6 Oct 2026US 12,751,914 B2The Board of Trustees of the Leland Stanford Junior University
- Methods for making microneedles using adjustment of component solubility in casting formulations11 Aug 2026US 12,702,807 B2Georgia Tech Research Corporation
- Microneedle array, molding for manufacturing a microneedle array, and method for manufacturing a microneedle array26 May 2026US 12,636,474 B2LTS Lohmann Therapie-Systeme AG
- Apparatus and method for joining metal sleeve onto a tube7 Apr 2026US 12,594,411 B2Best Medical International, Inc.
- Method for overmolding a tubular structure24 Mar 2026US 12,583,153 B2Entegris, Inc.
- Polymeric Microstructures and Systems and Methods for Making Same1 Oct 2026US 2026/0294795 A1The Board of Trustees of the Leland Stanford Junior University
- Resin molded product having through-hole, molding method therefor, mold, and needleless syringe using resin molded product13 Aug 2026US 2026/0232910 A1Daicel Corporation
- Kit Comprising a Vial and a Male Connector23 Apr 2026US 2026/0108423 A1
- Microstructure array for delivery of active agents26 Mar 2026US 2026/0083948 A1Panther Life Sciences Corporation
- Intra-mold sterilization of plastic-embedded needle5 Mar 2026US 2026/0060577 A1Facet Technologies, LLC
Most cited
By later US patents
- Intracutaneous microneedle array apparatus483US 6,379,324 B1The Procter & Gamble Company · 2002
- Apparatus and method for manufacturing an intracutaneous microneedle array410US 6,312,612 B1The Procter & Gamble Company · 2001
- Method for manufacturing an intracutaneous microneedle array286US 6,471,903 B2The Procter & Gamble Company · 2002
- Method of manufacturing an intracutaneous microneedle array227US 6,451,240 B1The Procter & Gamble Company · 2002
- Sealing stopper for a syringe and a prefilled syringe209US 6,090,081 ADaikyo Seiko, Ltd. · 2000