B01F 35/181
Preventing generation of dust or dirt
Official title: {Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence)}
B01F35/181 (Preventing generation of dust or dirt) appears on 228 US grants and 315 published applications in this corpus.
Search patents in B01F- Granted patents
- 228
- Published applications
- 315
- Assignees
- 209
- Inventors
- 661
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 6 |
| 2003 | 4 | 9 |
| 2004 | 2 | 3 |
| 2005 | 3 | 2 |
| 2006 | 4 | 3 |
| 2007 | 0 | 5 |
| 2008 | 1 | 4 |
| 2009 | 7 | 6 |
| 2010 | 2 | 4 |
| 2011 | 2 | 1 |
| 2012 | 2 | 4 |
| 2013 | 2 | 9 |
| 2014 | 2 | 7 |
| 2015 | 6 | 10 |
| 2016 | 7 | 16 |
| 2017 | 6 | 15 |
| 2018 | 7 | 19 |
| 2019 | 13 | 20 |
| 2020 | 17 | 30 |
| 2021 | 18 | 41 |
| 2022 | 18 | 27 |
| 2023 | 15 | 15 |
| 2024 | 31 | 28 |
| 2025 | 15 | 16 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 35/187Using filters in mixers79
- B01F 35/189Venting, degassing or ventilating of gases, fumes or toxic vapours during mixing67
- B01F 35/184Preventing generation of dust34
- B01F 35/186Using splash guards in mixers for avoiding dirt or projection of material27
- B01F 35/188Using sieves in mixers for purposes other than mixing10
Recent patents
- Flange members and reservoirs incorporating the same18 Aug 2026US 12,708,883 B2Meissner Filtration Products, Inc.
- System for small-batch brine production28 Jul 2026US 12,691,427 B2The Toro Company
- Reversing flow apparatus14 Jul 2026US 12,678,748 B2
- Fluid mixing assembly having a mixing device14 Jul 2026US 12,680,616 B2Reliance Worldwide Corporation (Aust.) Pty. Ltd.
- Methods for manufacturing bulked continuous filament from recycled pet9 Jun 2026US 12,649,261 B2Aladdin Manufacturing Corporation
- Fluid mixing assembly having a thermostatic mixing valve8 Oct 2026US 2026/0309243 A1Reliance Worldwide Corporation (Aust.) Pty. Ltd.
- Cartridge for Housing a Production of a Therapeutic Microfoam, Automated Device, Method for Producing a Therapeutic Microfoam, and Microfoam24 Sep 2026US 2026/0283952 A1
- Dosing device and dosing equipment24 Sep 2026US 2026/0284618 A1Pirovano S.r.l.
- Extruder and housing for exhaust air10 Sep 2026US 2026/0263979 A1The Japan Steel Works, Ltd.
- Piston Foamer27 Aug 2026US 2026/0249255 A1
Most cited
By later US patents
- A cylinder for mixing components to form bone cement126US 5,551,778 AMerck Patent Gesellschaft mit berschrankter Haftung · 1996
- Static mixer117US 6,079,868 AAdvanced Bio Surfaces, Inc. · 2000
- Method for producing reduced porosity bone cement110US 5,328,262 AMit · 1994
- Orthopedic cement mixer97US 4,185,072 ADiemolding Corporation · 1980
- Device for producing reduced porosity bone cement81US 5,501,520 AMit · 1996