A47G 19/16
Tea infusers
Official title: Tea infusers, e.g. infusing bags, egg-shaped infuses (for using only once, e.g. made of paper, B65B, B65D)
A47G19/16 (Tea infusers) appears on 108 US grants and 132 published applications in this corpus.
Search patents in A47G- Granted patents
- 108
- Published applications
- 132
- Assignees
- 54
- Inventors
- 233
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 5 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 1 | 4 |
| 2011 | 0 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 7 |
| 2014 | 1 | 6 |
| 2015 | 5 | 7 |
| 2016 | 6 | 9 |
| 2017 | 3 | 10 |
| 2018 | 5 | 8 |
| 2019 | 4 | 9 |
| 2020 | 5 | 13 |
| 2021 | 4 | 9 |
| 2022 | 6 | 7 |
| 2023 | 4 | 8 |
| 2024 | 4 | 5 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filtration apparatus and method of use for the same7 Apr 2026US 12,593,933 B1
- Cup with an integral infusion instrument27 Jan 2026US 12,532,977 B2
- Infuser and system for preparing an infused beverage2 Sep 2025US 12,402,745 B2
- Lid structure of portable container22 Apr 2025US 12,280,927 B2
- Straw cup24 Sep 2024US 12,096,878 B1
- Filtration apparatus and method of use for the same20 Aug 2026US 2026/0240351 A1
- Filtration apparatus and method of use for the same9 Apr 2026US 2026/0096678 A1
- Filter insert for an infusion device for preparing beverages, in particular coffee or tea, and infusion device comprising such a filter insert28 Aug 2025US 2025/0268414 A1PI-Design AG
- Devices and systems for extraction of plant infusion material29 May 2025US 2025/0169640 A1Teaspressa, LLC
- Beverage making, serving and clearing assembly27 Mar 2025US 2025/0098881 A1
Most cited
By later US patents
- Infuser unit for making beverages136US 5,913,964 AEspire Incorporated · 1999
- Light dispersive optical lightpipes and method of making the same116US 4,466,697 A1984
- Powdered drink brewing bag73US 5,132,124 APokka Corporation · 1992
- Lid for beverage container72US 6,095,033 AEspire Incorporated · 2000
- Lid for beverage container with removable inner cover having an attached infuser unit68US 6,314,866 B1Espire Incorporated · 2001