B65G 65/34
Emptying devices
Official title: Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48)
B65G65/34 (Emptying devices) appears on 1,111 US grants and 848 published applications in this corpus.
Search patents in B65G- Granted patents
- 1,111
- Published applications
- 848
- Assignees
- 638
- Inventors
- 1,772
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 25 | 0 |
| 1978 | 24 | 0 |
| 1979 | 16 | 0 |
| 1980 | 7 | 0 |
| 1981 | 16 | 0 |
| 1982 | 18 | 0 |
| 1983 | 15 | 0 |
| 1984 | 24 | 0 |
| 1985 | 20 | 0 |
| 1986 | 16 | 0 |
| 1987 | 20 | 0 |
| 1988 | 19 | 0 |
| 1989 | 17 | 0 |
| 1990 | 15 | 0 |
| 1991 | 13 | 0 |
| 1992 | 21 | 0 |
| 1993 | 12 | 0 |
| 1994 | 25 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 17 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 1 |
| 2003 | 3 | 13 |
| 2004 | 9 | 18 |
| 2005 | 13 | 22 |
| 2006 | 7 | 15 |
| 2007 | 7 | 11 |
| 2008 | 3 | 10 |
| 2009 | 7 | 11 |
| 2010 | 9 | 22 |
| 2011 | 6 | 9 |
| 2012 | 16 | 26 |
| 2013 | 19 | 24 |
| 2014 | 26 | 45 |
| 2015 | 28 | 43 |
| 2016 | 44 | 68 |
| 2017 | 59 | 66 |
| 2018 | 58 | 65 |
| 2019 | 60 | 55 |
| 2020 | 57 | 71 |
| 2021 | 57 | 58 |
| 2022 | 44 | 47 |
| 2023 | 41 | 33 |
| 2024 | 41 | 53 |
| 2025 | 41 | 35 |
| 2026 | 26 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Storage system to be used for keeping hazelnut6 Oct 2026US 12,753,002 B2Balsu Gida Sanayi Ve Ticaret Anonim Sirketi
- Cloud computer system for controlling remote devices15 Sep 2026US 12,735,243 B26D Bytes Inc.
- Apparatus and system for well site sand storage and handling1 Sep 2026US 12,722,916 B2
- Seed tender with automatic conveyor positioning25 Aug 2026US 12,715,705 B2J. & M. Manufacturing Co., Inc.
- Article supply device11 Aug 2026US 12,703,574 B2Bandai Co., Ltd.
- Drop-down device1 Oct 2026US 2026/0296810 A1Altria Client Services LLC
- Proppant dispensing system24 Sep 2026US 2026/0286823 A1Proppant Express Solutions, LLC
- Improvements in handling bulk material feedstocks17 Sep 2026US 2026/0274555 A1
- Bin sweep system for moving particulate material in a bin20 Aug 2026US 2026/0242161 A1Sioux Steel Company
- Method for calculating control parameter for powder and/or granule feeding apparatus and the powder and/or granule feeding apparatus13 Aug 2026US 2026/0233953 A1Kubota Corporation
Most cited
By later US patents
- Proppant discharge system and a container for use in such a proppant discharge system178US 8,585,341 B12013
- Proppant discharge system and a container for use in such a proppant discharge system153US 8,668,430 B22014
- Proppant storage vessel and assembly thereof140US 8,505,780 B22013
- Proppant storage vessel and assembly thereof135US 8,827,118 B2Oren Technologies, LLC · 2014
- System of delivering and storing proppant for use at a well site and container for such proppant128US 8,622,251 B22014