B28C 7/0481
Plant for proportioning, supplying or batching
Official title: {Plant for proportioning, supplying or batching (B28C7/0436, B28C7/0811 take precedence; plant in general B28C9/00)}
B28C7/0481 (Plant for proportioning, supplying or batching) appears on 56 US grants and 53 published applications in this corpus.
Search patents in B28C- Granted patents
- 56
- Published applications
- 53
- Assignees
- 46
- Inventors
- 139
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 5 |
| 2006 | 1 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 2 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 2 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Calibrated concrete moisture control system6 Oct 2026US 12,752,459 B2Holcombe CVI, LLC
- Substance feeding device, mixing system, and battery production line31 Mar 2026US 12,590,829 B2Contemporary Amperex Technology Co., Limited
- Solution dispensing system into a concrete mixing truck and method thereof29 Jul 2025US 12,370,721 B2Silverfin RMC Corp.
- Multi-pump linkage grouting operating system1 Jul 2025US 12,343,902 B1Shaanxi Xitan Geological Equipment
- Automated fiber dispenser17 Jun 2025US 12,330,337 B1
- Mobile Batch Plant18 Jun 2026US 2026/0166776 A1Rufdiamond Ltd.
- Cement dry additive system26 Feb 2026US 2026/0054416 A1Schlumberger Technology Corporation
- Automated fiber dispenser22 Jan 2026US 2026/0021607 A1
- Substance feeding device, mixing system, and battery production line27 Nov 2025US 2025/0362170 A1Contemporary Amperex Technology Co., Limited
- Solution dispensing system into a concrete mixing truck and method thereof6 Nov 2025US 2025/0339992 A1
Most cited
By later US patents
- Programmable modular system providing controlled flows of granular materials156US 5,413,154 ABulk Tank, Inc. · 1995
- Mobile batching plant141US 3,986,708 AHeltzel Company · 1976
- Mobile side-by-side batching plant135US 4,178,117 AHeltzel Company · 1979
- Portable and modular batching and mixing plant for concrete and the like114US 6,186,654 B1Guntert & Zimmerman Construction Division, Inc. · 2001
- Mobile modular concrete batch plant92US 5,785,421 A1998