B81C 1/00023
Without movable or flexible elements
Official title: {without movable or flexible elements (array of static structures for functionalising surfaces in B81C1/00206; manufacture of MEMS devices for specific applications, see relevant places, e.g. microreactors B01J19/0093, lab-on-chip B01L3/5027, micromixers B01F33/30)}
B81C1/00023 (Without movable or flexible elements) appears on 1,747 US grants and 2,222 published applications in this corpus.
Search patents in B81C- Granted patents
- 1,747
- Published applications
- 2,222
- Assignees
- 790
- Inventors
- 4,238
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 8 |
| 2002 | 20 | 44 |
| 2003 | 31 | 45 |
| 2004 | 34 | 72 |
| 2005 | 24 | 50 |
| 2006 | 40 | 61 |
| 2007 | 36 | 78 |
| 2008 | 32 | 107 |
| 2009 | 49 | 119 |
| 2010 | 65 | 122 |
| 2011 | 65 | 105 |
| 2012 | 87 | 145 |
| 2013 | 108 | 105 |
| 2014 | 114 | 134 |
| 2015 | 137 | 130 |
| 2016 | 104 | 99 |
| 2017 | 105 | 93 |
| 2018 | 81 | 105 |
| 2019 | 83 | 112 |
| 2020 | 104 | 99 |
| 2021 | 92 | 118 |
| 2022 | 80 | 81 |
| 2023 | 53 | 57 |
| 2024 | 67 | 46 |
| 2025 | 53 | 51 |
| 2026 | 33 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B81C 1/00031Regular or irregular arrays of nanoscale structures432
- B81C 1/00119Arrangement of basic structures like cavities or channels306
- B81C 1/00111Tips, pillars, i.e. raised structures237
- B81C 1/00055Grooves222
- B81C 1/00047Cavities179
- B81C 1/00095Interconnects144
- B81C 1/00087Holes130
- B81C 1/00103Structures having a predefined profile110
Recent patents
- Femtosecond laser surface processing for controlled fill and targeted deposition6 Oct 2026US 12,752,371 B1Honeywell Federal Manufacturing & Technologies, LLC
- Method for creating surface microstructures15 Sep 2026US 12,736,723 B2Rolic Technologies AG
- Anchor structure8 Sep 2026US 12,729,107 B2Lawrence Semiconductor Research Laboratory, Inc.
- Method for manufacturing a structure comprising a plurality of membranes overhanging cavities25 Aug 2026US 12,715,764 B2Commissariat A L'energie Atomique Et Aux Energies
- Crossovers for vacuum packaging4 Aug 2026US 12,698,202 B2Obsidian Sensors, Inc.
- Anchor structure1 Oct 2026US 2026/0296876 A1Lawrence Semiconductor Research Laboratory, Inc.
- Wafer level proximity sensor and method of making same1 Oct 2026US 2026/0296880 A1STMicroelectronics International N. V.
- Microchips for use in electron microscopes and related methods1 Oct 2026US 2026/0302128 A1Northwestern University
- Microfluidic Devices and Associated Methods24 Sep 2026US 2026/0285674 A1The Texas A&M University System
- Device and method for manufacturing solid fuel microthrusters using only pcb-mems technology10 Sep 2026US 2026/0264889 A1Universidad de Sevilla
Most cited
By later US patents
- Microneedle devices and methods of manufacture and use thereof907US 6,334,856 B12002
- Microfluidic structure and process for its manufacture704US 5,376,252 APharmacia Biosensor AB · 1994
- Microneedle device for transport of molecules across tissue634US 6,503,231 B1Georgia Tech Research Corporation · 2003
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002
- Method for forming micro cavity560US 6,342,427 B12002