B65G 21/22
Rails or the like engaging sliding elements or rollers attached to load-carriers
Official title: Rails or the like engaging sliding elements or rollers attached to load-carriers or traction elements
B65G21/22 (Rails or the like engaging sliding elements or rollers attached to load-carriers) appears on 262 US grants and 209 published applications in this corpus.
Search patents in B65G- Granted patents
- 262
- Published applications
- 209
- Assignees
- 177
- Inventors
- 519
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 6 | 3 |
| 2003 | 5 | 3 |
| 2004 | 1 | 12 |
| 2005 | 8 | 8 |
| 2006 | 10 | 4 |
| 2007 | 4 | 6 |
| 2008 | 1 | 3 |
| 2009 | 4 | 5 |
| 2010 | 3 | 3 |
| 2011 | 5 | 2 |
| 2012 | 2 | 7 |
| 2013 | 2 | 12 |
| 2014 | 8 | 8 |
| 2015 | 12 | 7 |
| 2016 | 10 | 8 |
| 2017 | 7 | 13 |
| 2018 | 12 | 10 |
| 2019 | 17 | 11 |
| 2020 | 10 | 21 |
| 2021 | 15 | 10 |
| 2022 | 16 | 12 |
| 2023 | 11 | 13 |
| 2024 | 8 | 7 |
| 2025 | 8 | 10 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Working station systems for dispensing a fluid in connection with electronics assembly14 Jul 2026US 12,685,072 B2Kulicke and Soffa Hi-Tech Co., Ltd.
- Laterally articulable belt conveyor systems23 Jun 2026US 12,662,321 B2Robbins Mining, Inc.
- Self-guiding lead-in slider pan16 Jun 2026US 12,654,948 B2Intelligrated Headquarters, LLC
- Lithography apparatus12 May 2026US 12,625,436 B2Samsung Electronics Co., Ltd.
- Removal device for automatically removing flexible material parts, method for removing flexible material parts, and production system comprising a conveyor device and a removal device17 Feb 2026US 12,552,620 B2HEFA Holding GmbH
- Transport system3 Sep 2026US 2026/0257868 A1Weiss GmbH
- Sliding member for transport devices and resin composition27 Aug 2026US 2026/0250074 A1Global Polyacetal Co., Ltd.
- Maintenance System And Method For A Rail Conveyor30 Jul 2026US 2026/0217475 A1The University of Newcastle
- Long-life transfer nose and conveyor9 Jul 2026US 2026/0193040 A1Laitram, L. L. C.
- Support and guide element for at least one conveyor with articulated modules25 Jun 2026US 2026/0176078 A1Movex S.P.A.
Most cited
By later US patents
- Two-axis robot for specimen transfer86US 6,843,357 B2Cardinal Health 301, Inc. · 2005
- Modular link conveyor system with narrow chain58US 5,031,757 ASpan Tech LLC · 1991
- Belt conveyors52US 4,222,483 AU.M.E.C.-Boydell (Belting) Limited · 1980
- Chain conveyor41US 5,429,227 AKorber AG · 1995
- Conveyor system and integral one-piece extended guidetrack40US 4,930,623 AIndustrial Conveyor Co., Inc. · 1990