B01F 35/881
By weighing
Official title: {by weighing, e.g. with automatic discharge}
B01F35/881 (By weighing) appears on 221 US grants and 202 published applications in this corpus.
Search patents in B01F- Granted patents
- 221
- Published applications
- 202
- Assignees
- 184
- Inventors
- 436
- Latest grant
- 17 Mar 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 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 4 |
| 2003 | 3 | 11 |
| 2004 | 6 | 11 |
| 2005 | 5 | 9 |
| 2006 | 6 | 9 |
| 2007 | 5 | 17 |
| 2008 | 4 | 7 |
| 2009 | 8 | 7 |
| 2010 | 4 | 12 |
| 2011 | 9 | 8 |
| 2012 | 6 | 10 |
| 2013 | 5 | 11 |
| 2014 | 8 | 6 |
| 2015 | 9 | 13 |
| 2016 | 7 | 4 |
| 2017 | 11 | 7 |
| 2018 | 6 | 4 |
| 2019 | 6 | 6 |
| 2020 | 5 | 5 |
| 2021 | 5 | 8 |
| 2022 | 4 | 10 |
| 2023 | 4 | 2 |
| 2024 | 8 | 10 |
| 2025 | 6 | 3 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cellular concrete wet mix blending17 Mar 2026US 12,576,553 B2Construc Industries, LLC
- Blood sample management using open cell foam27 Jan 2026US 12,533,061 B2Becton, Dickinson and Company
- Simultaneous metered bulk delivery from two or more bulk storage containers into a mixed storage vessel14 Oct 2025US 12,440,815 B2Halliburton Energy Services.Inc.
- Computer-controlled single manufacturing system for generating individualized mixtures19 Aug 2025US 12,390,777 B2eSalon.com, LLC
- Cosmetic manufacturing apparatus, control method of the same, and cosmetic manufacturing system8 Jul 2025US 12,350,635 B2Amorepacific Corporation
- Beverage dispenser1 Oct 2026US 2026/0296871 A1Luckin Food Technology (Shanghai) Co., Ltd.
- Blood Sample Management Using Open Cell Foam21 May 2026US 2026/0137317 A1Becton, Dickinson and Company
- Gravimetric blending system12 Feb 2026US 2026/0042075 A1CFR Engines Inc.
- Device and method for metering fluid15 Jan 2026US 2026/0014535 A1SK On Co., Ltd.
- Apparatus and method for manufacturing dry electrode15 Jan 2026US 2026/0018583 A1Hyundai Motor Company
Most cited
By later US patents
- Additive inventory control, batching and delivery system169US 4,525,071 ACrawford & Russell, Inc. · 1985
- Method and machine for batching coloring agents into paints and varnishes168US 4,705,083 ACorob S.R.L. Automatic Machinery Project · 1987
- System and apparatus for dispensing high-viscosity pigments151US 5,938,080 AThe Geon Company · 1999
- Intelligent system and process for automated monitoring of microingredient inventory used in the manufacture of medicated feed rations126US 5,853,244 ALextron, Inc. · 1998
- Programmable weight sensitive microingredient feed additive delivery system and method120US 4,733,971 AMicro Chemical, Inc. · 1988