B81C 1/00111
Tips, pillars, i.e. raised structures
Official title: {Tips, pillars, i.e. raised structures (microneedles A61M37/0015)}
B81C1/00111 (Tips, pillars, i.e. raised structures) appears on 237 US grants and 331 published applications in this corpus.
Search patents in B81C- Granted patents
- 237
- Published applications
- 331
- Assignees
- 197
- Inventors
- 791
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 8 |
| 2003 | 7 | 2 |
| 2004 | 4 | 10 |
| 2005 | 3 | 9 |
| 2006 | 6 | 15 |
| 2007 | 5 | 13 |
| 2008 | 4 | 16 |
| 2009 | 8 | 23 |
| 2010 | 7 | 15 |
| 2011 | 10 | 12 |
| 2012 | 9 | 14 |
| 2013 | 8 | 14 |
| 2014 | 9 | 12 |
| 2015 | 16 | 21 |
| 2016 | 21 | 23 |
| 2017 | 11 | 11 |
| 2018 | 14 | 14 |
| 2019 | 15 | 23 |
| 2020 | 7 | 10 |
| 2021 | 19 | 21 |
| 2022 | 13 | 12 |
| 2023 | 6 | 9 |
| 2024 | 10 | 7 |
| 2025 | 9 | 11 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- MEMS bump stopper surface features5 May 2026US 12,617,670 B2Knowles Electronics, LLC
- Method for making microneedles using a high viscosity composition28 Apr 2026US 12,612,304 B2Innoture IP Limited
- 3D microelectrode array (MEA) for optical and electrical probing of electrogenic cells24 Feb 2026US 12,559,364 B2AXOSIM, Inc.
- MEMS and NEMS structures13 Jan 2026US 12,522,498 B2Obsidian Sensors, Inc.
- Methods of fabricating porous silicon structures6 Jan 2026US 12,516,438 B2The Methodist Hospital
- Method for manufacturing micro-electromechanical probe27 Aug 2026US 2026/0251681 A1Syu Guang Technology Co., Ltd.
- Method for manufacturing microstructures6 Aug 2026US 2026/0231708 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Volumetric formation of structures11 Jun 2026US 2026/0158255 A1University of Central Florida Research Foundation, Inc.
- Mems and nems structures23 Apr 2026US 2026/0109596 A1Obsidian Sensors, Inc.
- Formation of superhydrophobic surfaces12 Mar 2026US 2026/0076121 A1Brookhaven Science Associates, LLC
Most cited
By later US patents
- Microneedle devices and methods of manufacture and use thereof907US 6,334,856 B12002
- Microneedle device for transport of molecules across tissue634US 6,503,231 B1Georgia Tech Research Corporation · 2003
- Apparatus and method for manufacturing an intracutaneous microneedle array410US 6,312,612 B1The Procter & Gamble Company · 2001
- Systems and methods for the transport of fluids through a biological barrier and production techniques for such systems346US 6,558,361 B1Nanopass Ltd. · 2003
- Method for manufacturing an intracutaneous microneedle array286US 6,471,903 B2The Procter & Gamble Company · 2002