A47B 31/02
Service or tea tables, trolleys, or wagons: with heating, cooling or ventilating
Official title: with heating, cooling or ventilating means
A47B31/02 (Service or tea tables, trolleys, or wagons: with heating, cooling or ventilating) appears on 166 US grants and 143 published applications in this corpus.
Search patents in A47B- Granted patents
- 166
- Published applications
- 143
- Assignees
- 99
- Inventors
- 311
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 3 | 9 |
| 2016 | 4 | 9 |
| 2017 | 6 | 8 |
| 2018 | 10 | 13 |
| 2019 | 11 | 4 |
| 2020 | 10 | 11 |
| 2021 | 7 | 12 |
| 2022 | 6 | 13 |
| 2023 | 15 | 10 |
| 2024 | 7 | 9 |
| 2025 | 10 | 14 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for cooling an aircraft galley trolley8 Sep 2026US 12,728,994 B2B/E Aerospace (UK) Limited
- Food pan cooling system with one or more perforated food pans18 Aug 2026US 12,708,199 B2Illinois Tool Works Inc.
- Convertible bar and table assembly16 Jun 2026US 12,653,306 B2
- Dining table for heating a food portion10 Mar 2026US 12,569,089 B2
- Heating table assembly24 Feb 2026US 12,557,906 B1
- Compact cooking table and compact cooking table with a vapor extractor6 Aug 2026US 2026/0224024 A1MEC2 GmbH
- Mobile vapor extractor for a cooking table and cooking table for the vapor extractor6 Aug 2026US 2026/0227077 A1MEC2 GmbH
- Heating Table Assembly2 Jul 2026US 2026/0182735 A1
- Multifunctional cooling-heating transformable folding table11 Jun 2026US 2026/0157514 A1
- Convertible Bar And Table Assembly21 May 2026US 2026/0137205 A1
Most cited
By later US patents
- Cooler caddy, and methods of constructing and utilizing same122US 5,480,170 A1996
- Portable cooler chest with expandable wheels and collapsible extension114US 5,285,656 A1994
- Food serving tray99US 4,068,115 ASweetheart Plastics, Inc. · 1978
- Food preparation process92US 4,323,110 AAnchor Hocking Corporation · 1982
- Container for inductively heating food86US 4,020,310 A1977