B01J 20/3021
Milling, crushing or grinding
Official title: {Milling, crushing or grinding}
B01J20/3021 (Milling, crushing or grinding) appears on 454 US grants and 617 published applications in this corpus.
Search patents in B01J- Granted patents
- 454
- Published applications
- 617
- Assignees
- 396
- Inventors
- 1,533
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 7 |
| 2003 | 2 | 3 |
| 2004 | 0 | 6 |
| 2005 | 3 | 8 |
| 2006 | 2 | 9 |
| 2007 | 4 | 7 |
| 2008 | 2 | 14 |
| 2009 | 5 | 13 |
| 2010 | 9 | 5 |
| 2011 | 5 | 13 |
| 2012 | 14 | 12 |
| 2013 | 13 | 19 |
| 2014 | 5 | 15 |
| 2015 | 13 | 16 |
| 2016 | 20 | 38 |
| 2017 | 23 | 38 |
| 2018 | 28 | 39 |
| 2019 | 22 | 43 |
| 2020 | 35 | 33 |
| 2021 | 33 | 55 |
| 2022 | 26 | 54 |
| 2023 | 38 | 39 |
| 2024 | 41 | 42 |
| 2025 | 46 | 48 |
| 2026 | 20 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite metal oxide29 Sep 2026US 12,747,166 B2SETOLAS Holdings, Inc.
- Method for reducing risks of composite pollutants in sewage1 Sep 2026US 12,722,985 B1Nanjing University
- Particulate water-absorbing agent and method for producing the same11 Aug 2026US 12,702,967 B2Nippon Shokubai Co., Ltd.
- Superabsorbent polymers based on copolymers of charged monomers and neutral monomers4 Aug 2026US 12,698,356 B2Kimberly-Clark Worldwide, Inc.
- Method for producing an adsorption agent for treating compressed gas and an adsorption device provided with such an adsorption agent28 Jul 2026US 12,691,435 B2Atlas Copco Airpower, Naamloze Vennootschap
- Layered Double Oxide and Preparation Method and Use Thereof8 Oct 2026US 2026/0307040 A1Quzhou Institute for Innovation in Resource Chemical Engineering
- Montmorillonite desiccant and preparation method thereof17 Sep 2026US 2026/0273504 A1Foshan Shunde Topcod Industry Co., Ltd.
- Water-absorbent resin particles and production method therefor, absorbent body, and absorbent article17 Sep 2026US 2026/0273507 A1Sumitomo Seika Chemicals Co., Ltd.
- Method for reducing risks of composite pollutants in sewage3 Sep 2026US 2026/0257942 A1Nanjing University
- Biochar-infused wood fiber bedding20 Aug 2026US 2026/0240107 A1Musser Biomass and Wood Products, LLC
Most cited
By later US patents
- Microporous filter media, filtration systems containing same, and methods of making and using114US 6,630,016 B2Koslow Technologies Corporation · 2003
- Limestone-based sorbent agglomerates for removal of sulfur compounds in hot gases and method of making87US 4,387,653 AEngelhard Corporation · 1983
- Nano-structure supported solid regenerative polyamine and polyamine polyol absorbents for the separation of carbon dioxide from gas mixtures including the air77US 7,795,175 B2University of Southern California · 2010
- Hg removal from wastewater by regenerative adsorption62US 5,080,799 AMobil Oil Corporation · 1992
- Porous pellet adsorbents fabricated from nanocrystals50US 6,093,236 AKansas State University Research Foundation · 2000