B81B 1/004
Through-holes, i.e. extending from one face to the other face of the
Official title: {Through-holes, i.e. extending from one face to the other face of the wafer}
B81B1/004 (Through-holes, i.e. extending from one face to the other face of the) appears on 49 US grants and 63 published applications in this corpus.
Search patents in B81B- Granted patents
- 49
- Published applications
- 63
- Assignees
- 35
- Inventors
- 119
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 2 | 5 |
| 2019 | 4 | 4 |
| 2020 | 5 | 8 |
| 2021 | 5 | 4 |
| 2022 | 6 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 2 |
| 2025 | 4 | 6 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a microfluidic device7 Apr 2026US 12,595,168 B2Imec Vzw
- Isotachophoresis for purification of nucleic acids30 Sep 2025US 12,428,635 B2Purigen Biosystems, Inc.
- Micro-device structures with etch holes26 Aug 2025US 12,398,031 B2X-Celeprint Limited
- Method for producing a sequencing unit for sequencing a biochemical material and sequencing unit4 Mar 2025US 12,240,752 B2Robert Bosch GmbH
- Top notch slit profile for MEMS device25 Feb 2025US 12,238,478 B2Taiwan Semiconductor Manufacturing Company.Ltd
- MEMS with Reduced Acoustic Impedance6 Aug 2026US 2026/0230743 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Microfluidic devices and methods of producing5 Feb 2026US 2026/0034315 A1Invox Belgium NV
- Isotachophoresis for Purification of Nucleic Acids29 Jan 2026US 2026/0028614 A1Purigen Biosystems, Inc.
- Micro-device structures with etch holes20 Nov 2025US 2025/0353732 A1X-Celeprint Limited
- Top notch slit profile for mems device9 Oct 2025US 2025/0317694 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Microfabricated apertures for supporting bilayer lipid membranes144US 6,863,833 B1The Board of Trustees of the Leland Stanford Junior University · 2005
- Method for fabrication of high vertical aspect ratio thin film structures128US 5,660,680 AThe Regents of the University of California · 1997
- Multi-layer microfluidic devices96US 6,857,449 B1Caliper Life Sciences, Inc. · 2005
- Silicon etching process for making microchannel plates84US 5,997,713 ANanoSciences Corporation · 1999
- Microfabricated capsules for immunological isolation of cell transplants70US 5,893,974 AThe Regents of the University of California · 1999