B03
Separation of solid materials using liquids or using pneumatic tables or jigs
Official title: Separation of solid materials using liquids or using pneumatic tables or jigs; magnetic or electrostatic separation of solid materials from solid materials or fluids; separation by high-voltage electric fields
B03 (Separation of solid materials using liquids or using pneumatic tables or jigs) appears on 11,870 US grants and 8,908 published applications in this corpus.
Search patents in B03- Granted patents
- 11,870
- Published applications
- 8,908
- Assignees
- 5,352
- Inventors
- 20,914
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 195 | 0 |
| 1977 | 175 | 0 |
| 1978 | 203 | 0 |
| 1979 | 170 | 0 |
| 1980 | 249 | 0 |
| 1981 | 296 | 0 |
| 1982 | 223 | 0 |
| 1983 | 177 | 0 |
| 1984 | 191 | 0 |
| 1985 | 218 | 0 |
| 1986 | 192 | 0 |
| 1987 | 200 | 0 |
| 1988 | 215 | 0 |
| 1989 | 211 | 0 |
| 1990 | 171 | 0 |
| 1991 | 208 | 0 |
| 1992 | 207 | 0 |
| 1993 | 203 | 0 |
| 1994 | 214 | 0 |
| 1995 | 188 | 0 |
| 1996 | 228 | 0 |
| 1997 | 216 | 0 |
| 1998 | 221 | 0 |
| 1999 | 255 | 0 |
| 2000 | 228 | 0 |
| 2001 | 196 | 47 |
| 2002 | 183 | 172 |
| 2003 | 173 | 213 |
| 2004 | 166 | 278 |
| 2005 | 144 | 246 |
| 2006 | 159 | 294 |
| 2007 | 160 | 261 |
| 2008 | 176 | 314 |
| 2009 | 168 | 310 |
| 2010 | 210 | 366 |
| 2011 | 215 | 363 |
| 2012 | 245 | 357 |
| 2013 | 290 | 405 |
| 2014 | 324 | 415 |
| 2015 | 337 | 412 |
| 2016 | 324 | 433 |
| 2017 | 317 | 404 |
| 2018 | 329 | 378 |
| 2019 | 334 | 432 |
| 2020 | 321 | 438 |
| 2021 | 326 | 465 |
| 2022 | 322 | 501 |
| 2023 | 285 | 426 |
| 2024 | 369 | 396 |
| 2025 | 352 | 368 |
| 2026 | 191 | 214 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Centrifugal density separation of waste plastic6 Oct 2026US 12,752,283 B2Eastman Chemical Company
- Particle collection vessel, particle collection device and particle collection method6 Oct 2026US 12,752,284 B2Amano Corporation
- Inverter apparatus provided with dust collecting unit6 Oct 2026US 12,752,285 B2Ls Electric Co., Ltd.
- Mining collectors6 Oct 2026US 12,752,286 B2
- System and process for sorting and recovery of recyclable materials from mixed waste6 Oct 2026US 12,752,306 B1Wm Intellectual Property Holdings, L.L.C.
- Devices and systems for isolating particles in solution by particle permitivity8 Oct 2026US 2026/0307073 A1Sigil Biosciences, Inc.
- Hybrid filter unit8 Oct 2026US 2026/0307082 A1Brairtech Sweden AB
- Insulator and wet electrostatic precipitator having the same8 Oct 2026US 2026/0307083 A1
- Mining chemical collector compositions and processes for recovering metal from ore8 Oct 2026US 2026/0308119 A1Chevron Phillips Chemical Company LP
- Mining chemical collector compositions and processes for recovering metal from ore1 Oct 2026US 2026/0295598 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- System for determining the spatial position and angular orientation of an object565US 5,828,770 ANorthern Digital Inc. · 1998
- Method and apparatus for programmable fluidic processing487US 6,294,063 B1Board of Regents, The University of Texas System · 2001
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Micro-flow system for particle separation and analysis417US 6,432,630 B1Scandinanian Micro Biodevices A/S · 2002
- Method and apparatus for dielectrophoretic manipulation of chemical species395US 4,390,403 A1983