B67D 7/74
Devices for mixing two or more different liquids to be transferred
Official title: Devices for mixing two or more different liquids to be transferred (coin-freed apparatus G07F13/06)
B67D7/74 (Devices for mixing two or more different liquids to be transferred) appears on 330 US grants and 231 published applications in this corpus.
Search patents in B67D- Granted patents
- 330
- Published applications
- 231
- Assignees
- 162
- Inventors
- 560
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 6 |
| 2002 | 9 | 6 |
| 2003 | 8 | 12 |
| 2004 | 6 | 12 |
| 2005 | 5 | 9 |
| 2006 | 10 | 5 |
| 2007 | 1 | 4 |
| 2008 | 4 | 1 |
| 2009 | 3 | 10 |
| 2010 | 5 | 6 |
| 2011 | 5 | 10 |
| 2012 | 6 | 9 |
| 2013 | 10 | 12 |
| 2014 | 5 | 18 |
| 2015 | 10 | 10 |
| 2016 | 10 | 8 |
| 2017 | 15 | 9 |
| 2018 | 6 | 16 |
| 2019 | 7 | 10 |
| 2020 | 12 | 14 |
| 2021 | 11 | 19 |
| 2022 | 12 | 10 |
| 2023 | 8 | 2 |
| 2024 | 15 | 6 |
| 2025 | 6 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultra high ratio liquid delivery system30 Jun 2026US 12,668,479 B2Gate Cfv Solutions, Inc.
- Vehicle fluid fill specification and capacity communication30 Jun 2026US 12,668,483 B2Ford Global Technologies, LLC
- Systems for distributing blended fuels24 Feb 2026US 12,559,358 B2Phillips 66 Company
- Methods for distributing blended fuels9 Dec 2025US 12,492,117 B2Phillips 66 Company
- Refilling systems, refillable containers and method for refilling containers18 Nov 2025US 12,473,191 B2GOJO Industries, Inc.
- Spectroscopic dispense ratio measurement systems for two-part polymeric materials30 Jul 2026US 2026/0219178 A1GM Global Technology Operations LLC
- Method and apparatus for marking a liquid hydrocarbon in a reservoir30 Apr 2026US 2026/0117136 A1Sicpa Holding SA
- Approaches to customizing formulations for cleaning products prior to production and associated systems5 Feb 2026US 2026/0035231 A1
- Dynamic touchscreen fuel selection21 Aug 2025US 2025/0263290 A1Wayne Fueling Systems LLC
- Fuel treatment system for retail fueling stations and related methods10 Jul 2025US 2025/0223150 A1Total Meter Services Inc.
Most cited
By later US patents
- Nail polish selection method104US 6,622,064 B2IMX Labs, Inc. · 2003
- Dispensing a viscous use solution by diluting a less viscous concentrate94US 5,816,446 AEcolab Inc. · 1998
- Programmable multiple blender84US 4,876,653 A1989
- Self-contained apparatus for admixing a plurality of liquids81US 4,790,454 AS. C. Johnson & Son, Inc. · 1988
- Fluid control apparatus and method79US 5,706,871 ADresser Industries, Inc. · 1998