B81C
Processes or apparatus specially adapted for the manufacture or treatment of microstructural
Official title: PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS (making microcapsules or microballoons B01J13/02; processes or apparatus specially adapted for the manufacture or treatment of piezoelectric, electrostrictive or magnetostrictive elements per se H10N30/01)
B81C (Processes or apparatus specially adapted for the manufacture or treatment of microstructural) appears on 10,564 US grants and 12,401 published applications in this corpus.
Search patents in B81C- Granted patents
- 10,564
- Published applications
- 12,401
- Assignees
- 2,512
- Inventors
- 16,592
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 21 | 0 |
| 1995 | 25 | 0 |
| 1996 | 36 | 0 |
| 1997 | 45 | 0 |
| 1998 | 62 | 0 |
| 1999 | 62 | 0 |
| 2000 | 91 | 0 |
| 2001 | 103 | 61 |
| 2002 | 157 | 240 |
| 2003 | 202 | 305 |
| 2004 | 269 | 432 |
| 2005 | 284 | 479 |
| 2006 | 284 | 477 |
| 2007 | 275 | 508 |
| 2008 | 315 | 495 |
| 2009 | 300 | 531 |
| 2010 | 418 | 569 |
| 2011 | 380 | 520 |
| 2012 | 418 | 533 |
| 2013 | 485 | 582 |
| 2014 | 607 | 710 |
| 2015 | 643 | 743 |
| 2016 | 659 | 689 |
| 2017 | 644 | 663 |
| 2018 | 567 | 631 |
| 2019 | 598 | 546 |
| 2020 | 564 | 564 |
| 2021 | 454 | 484 |
| 2022 | 381 | 415 |
| 2023 | 348 | 350 |
| 2024 | 337 | 324 |
| 2025 | 298 | 317 |
| 2026 | 186 | 233 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B81C 1/00Manufacture or treatment of devices or systems in or on a substrate8,900
- B81C 2201/00Manufacture or treatment of microstructural devices or systemsIndexing code3,836
- B81C 2203/00Forming microstructural systemsIndexing code3,141
- B81C 99/00Subject matter not provided for in other groups of this subclass963
- B81C 3/00Assembling of devices or systems from individually processed components628
- B81C 2900/00Apparatus specially adapted for the manufacture or treatment of microstructural devices orIndexing code8
Recent patents
- Femtosecond laser surface processing for controlled fill and targeted deposition6 Oct 2026US 12,752,371 B1Honeywell Federal Manufacturing & Technologies, LLC
- MEMS structure including a buried cavity with antistiction protuberances, and manufacturing methods thereof6 Oct 2026US 12,753,067 B2STMicroelectronics S,r.l.
- Engineered substrates, free-standing semiconductor microstructures, and related systems and methods6 Oct 2026US 12,753,068 B2Lawrence Semiconductor Research Laboratory, Inc.
- MEMS resonator6 Oct 2026US 12,753,070 B2SiTime Corporation
- Multiple plated via arrays of different wire heights on a same substrate6 Oct 2026US RE51,062 E1Adeia Semiconductor Technologies LLC
- Microelectromechanical systems (mems) actuator with magnetic latching and methods for manufacturing and using the same8 Oct 2026US 2026/0307980 A1Atomic Machines, Inc.
- Micromechanical arm array for mems actuators8 Oct 2026US 2026/0307981 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Packaging method for mems acoustic device structure, mems acoustic device packaging structure and mems chip packaging method for acoustic device8 Oct 2026US 2026/0307982 A1Hefei Smat Technology Co., Ltd.
- Method for producing a microelectromechanical device comprising a cap structure and a microelectromechanical device8 Oct 2026US 2026/0307983 A1
- Anchor structure1 Oct 2026US 2026/0296876 A1Lawrence Semiconductor Research Laboratory, Inc.
Most cited
By later US patents
- Formation of microstamped patterns on surfaces and derivative articles1,049US 5,512,131 APresident and Fellows of Harvard College · 1996
- Microneedle devices and methods of manufacture and use thereof907US 6,334,856 B12002
- Methods and devices for fabricating and assembling printable semiconductor elements883US 7,622,367 B1The Board of Trustees of the University of Illinois · 2009
- Stretchable semiconductor elements and stretchable electrical circuits765US 7,557,367 B2The Board of Trustees of the University of Illinois · 2009
- Method for fabricating a structure for a microelectromechanical systems (MEMS) device722US 6,794,119 B2Iridigm Display Corporation · 2004