G01N 21/84
Systems specially adapted for particular applications
G01N21/84 (Systems specially adapted for particular applications) appears on 20,660 US grants and 21,562 published applications in this corpus.
Search patents in G01N- Granted patents
- 20,660
- Published applications
- 21,562
- Assignees
- 7,414
- Inventors
- 42,986
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 84 | 0 |
| 1977 | 75 | 0 |
| 1978 | 57 | 0 |
| 1979 | 51 | 0 |
| 1980 | 67 | 0 |
| 1981 | 95 | 0 |
| 1982 | 50 | 0 |
| 1983 | 68 | 0 |
| 1984 | 80 | 0 |
| 1985 | 105 | 0 |
| 1986 | 80 | 0 |
| 1987 | 157 | 0 |
| 1988 | 141 | 0 |
| 1989 | 172 | 0 |
| 1990 | 179 | 0 |
| 1991 | 190 | 0 |
| 1992 | 181 | 0 |
| 1993 | 181 | 0 |
| 1994 | 171 | 0 |
| 1995 | 210 | 0 |
| 1996 | 173 | 0 |
| 1997 | 174 | 0 |
| 1998 | 266 | 0 |
| 1999 | 231 | 0 |
| 2000 | 257 | 0 |
| 2001 | 272 | 106 |
| 2002 | 261 | 402 |
| 2003 | 437 | 449 |
| 2004 | 375 | 541 |
| 2005 | 372 | 569 |
| 2006 | 452 | 622 |
| 2007 | 430 | 616 |
| 2008 | 489 | 645 |
| 2009 | 468 | 651 |
| 2010 | 513 | 657 |
| 2011 | 459 | 571 |
| 2012 | 508 | 666 |
| 2013 | 509 | 742 |
| 2014 | 587 | 875 |
| 2015 | 685 | 927 |
| 2016 | 793 | 975 |
| 2017 | 851 | 951 |
| 2018 | 883 | 1111 |
| 2019 | 1039 | 1205 |
| 2020 | 1163 | 1270 |
| 2021 | 924 | 1250 |
| 2022 | 938 | 1284 |
| 2023 | 907 | 1198 |
| 2024 | 1020 | 1256 |
| 2025 | 1108 | 1123 |
| 2026 | 722 | 900 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 21/88Investigating the presence of flaws or contamination15,352
- G01N 21/85Investigating moving fluids or granular solids2,298
- G01N 21/8422Investigating thin films1,190
- G01N 21/8483Investigating reagent band1,051
- G01N 21/86Investigating moving sheets521
- G01N 2021/8411Application to online plant, process monitoringIndexing code480
- G01N 2021/8466Investigation of vegetal materialIndexing code443
- G01N 21/87Investigating jewels424
All 14 subgroupsShow fewer
- G01N 2021/845Objects on a conveyorIndexing code365
- G01N 2021/8472Investigation of composite materialsIndexing code208
- G01N 2021/8477Investigating crystalsIndexing code85
- G01N 2021/8444Fibrous materialIndexing code80
- G01N 2021/8405Application to two-phase or mixed materialsIndexing code69
- G01N 2021/8461Investigating impurities in semiconductorIndexing code60
Recent patents
- Apparatus and system for analyzing agricultural material6 Oct 2026US 12,751,365 B2Deere & Company
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Wear management system for monitoring conveyor-based systems6 Oct 2026US 12,753,016 B1Amazon Technologies, Inc.
- Biochemical substance analysis system, method, and device6 Oct 2026US 12,754,135 B2MGI Tech Co., Ltd.
- Device for providing total trichome count and density of cannabis inflorescences6 Oct 2026US 12,754,138 B2Chubby Cat, Inc.
- Nozzle manifold assembly8 Oct 2026US 2026/0307085 A1The Aerospace Corporation
- Sorter devices, detection systems of sorter devices, and related methods8 Oct 2026US 2026/0307110 A1Cimbria S.r.l.
- Weld seam detection method and apparatus, electronic device, and storage medium8 Oct 2026US 2026/0307180 A1Contemporary Amperex Technology Co., Limited
- Coating system and calibration method thereof8 Oct 2026US 2026/0309488 A1Contemporary Amperex Technology Co., Limited
- Photodetector inspection apparatus and photodetector inspection method8 Oct 2026US 2026/0309579 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Physiological monitor and associated computation, display and communication unit1,769US 6,790,178 B1Healthetech, Inc. · 2004
- Measurement apparatus1,128US 6,295,506 B1Nokia Mobile Phones Ltd. · 2001
- System for detecting injection holding material1,074US 6,943,348 B1Masimo Corporation · 2005
- Reagent test strip and apparatus for determination of blood glucose896US 5,304,468 ALifeScan, Inc. · 1994
- Fiber-optic physiological probes732US 4,925,268 AAbbott Laboratories · 1990