G01G 19/22
Weighing apparatus or methods adapted for special purposes not provided for in
Official title: for apportioning materials by weighing prior to mixing them (ratio regulation G05D11/00)
G01G19/22 (Weighing apparatus or methods adapted for special purposes not provided for in) appears on 228 US grants and 147 published applications in this corpus.
Search patents in G01G- Granted patents
- 228
- Published applications
- 147
- Assignees
- 157
- Inventors
- 388
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 2 |
| 2004 | 6 | 15 |
| 2005 | 3 | 8 |
| 2006 | 4 | 6 |
| 2007 | 4 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 9 |
| 2010 | 5 | 6 |
| 2011 | 2 | 6 |
| 2012 | 5 | 4 |
| 2013 | 3 | 3 |
| 2014 | 4 | 9 |
| 2015 | 5 | 9 |
| 2016 | 2 | 5 |
| 2017 | 8 | 5 |
| 2018 | 4 | 6 |
| 2019 | 6 | 7 |
| 2020 | 5 | 10 |
| 2021 | 7 | 6 |
| 2022 | 6 | 6 |
| 2023 | 4 | 4 |
| 2024 | 5 | 6 |
| 2025 | 5 | 1 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for laboratory formulation and chemical vending14 Jul 2026US 12,678,755 B2
- Substance feeding device, mixing system, and battery production line31 Mar 2026US 12,590,829 B2Contemporary Amperex Technology Co., Limited
- Method for operating a mixing apparatus of a manufacturing plant24 Mar 2026US 12,582,945 B2Fette Compacting GmbH
- Coating composition scale network device17 Mar 2026US 12,576,376 B2PPG Industries Ohio, Inc.
- Powder supply device11 Nov 2025US 12,466,671 B2Tsukasa Co., Ltd.
- Method and Device For Laboratory Formulation and Chemical Vending8 Oct 2026US 2026/0307029 A1
- Weighing apparatus, autonomous material synthesis system and methods therefor5 Mar 2026US 2026/0063464 A1Wisconsin Alumni Research Foundation
- Self-cleaning remote gravimetric batch blender with dust-tight distributor1 Jan 2026US 2026/0001051 A1Ampacet Corporation
- Substance feeding device, mixing system, and battery production line27 Nov 2025US 2025/0362170 A1Contemporary Amperex Technology Co., Limited
- Combination weighing apparatus19 Sep 2024US 2024/0308772 A1Ishida Co., Ltd.
Most cited
By later US patents
- Mobile batching plant141US 3,986,708 AHeltzel Company · 1976
- Fluid compounding method and apparatus137US 5,040,699 A1991
- 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
- Control system for aggregate delivery system113US 4,222,498 AAstec Industries, Inc. · 1980