B60R 15/04
Toilet facilities
Official title: Toilet facilities {(in railway vehicles B61D35/005)}
B60R15/04 (Toilet facilities) appears on 150 US grants and 146 published applications in this corpus.
Search patents in B60R- Granted patents
- 150
- Published applications
- 146
- Assignees
- 83
- Inventors
- 334
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 6 |
| 2004 | 6 | 8 |
| 2005 | 3 | 4 |
| 2006 | 3 | 5 |
| 2007 | 3 | 11 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 3 | 1 |
| 2013 | 5 | 2 |
| 2014 | 2 | 1 |
| 2015 | 3 | 9 |
| 2016 | 4 | 6 |
| 2017 | 9 | 5 |
| 2018 | 5 | 7 |
| 2019 | 5 | 3 |
| 2020 | 7 | 13 |
| 2021 | 4 | 11 |
| 2022 | 12 | 11 |
| 2023 | 3 | 7 |
| 2024 | 10 | 10 |
| 2025 | 9 | 4 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for intelligently managing and controlling waste and wastewater in an autonomous electric powered trailer28 Jul 2026US 12,691,478 B2Pebble Mobility, Inc.
- Recreational vehicle waste receptacle23 Jun 2026US 12,662,307 B2
- Dual-mode flush systems and methods thereof12 May 2026US 12,624,536 B1
- Covered dumpster and portable toilet system5 May 2026US 12,617,607 B2
- Wagon with bathroom module21 Apr 2026US 12,606,079 B2Conestoga Wagon Co. LLC
- A camper10 Sep 2026US 2026/0264597 A1
- Utility layers for recreational vehicles27 Aug 2026US 2026/0249769 A1Winnebago Industries, Inc.
- Wagon with integrated bathroom27 Aug 2026US 2026/0249771 A1Conestoga Wagon Co. LLC
- Collapsible campers, and adjustable components and accessories for campers and other dwellings13 Aug 2026US 2026/0233688 A1Stream It, Inc.
- Mobile-home-type trailer6 Aug 2026US 2026/0225423 A1LG Electronics Inc.
Most cited
By later US patents
- Self-contained RV sanitary systems46US 4,776,631 AThetford Corporation · 1988
- Auxiliary sanitary toilet facility for a recreational vehicle36US 5,673,962 A1997
- Recreational vehicle use system particularly tank installation30US 4,974,899 AThetford Corporation · 1990
- Trailer with portable toilet facilities28US 4,957,323 ACommercial Structures, Inc. · 1990
- Universal recreational vehicle toilet system with removable holding tank28US 5,031,249 AThetford Corporation · 1991