F27B 7/26
Drives
F27B7/26 (Drives) appears on 44 US grants and 34 published applications in this corpus.
Search patents in F27B- Granted patents
- 44
- Published applications
- 34
- Assignees
- 39
- Inventors
- 91
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 2 | 4 |
| 2013 | 3 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 2 | 4 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 0 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Deployable multi-zone rotary-kiln system and method for recovery of gallium oxide from electronic waste15 Sep 2026US 12,735,769 B1Simple Approach Systems, Inc.
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same8 Sep 2026US 12,729,157 B2Hubei Juhai Environmental Technology Co., Ltd.
- Drive shaft assembly for a rotary furnace21 Jul 2026US 12,687,340 B2X-energy, LLC
- Molybdenum-lined crucible30 Jun 2026US 12,669,287 B2X-energy, LLC
- Device and method for operating a rotary vessel3 Sep 2024US 12,078,204 B2Industrial Process Systems, Inc.
- New type protective rotary kiln equipment16 Apr 2026US 2026/0104204 A1Yingna Materials Technology (Zhenjiang)Co., Ltd.
- Rotary sintering furnace20 Nov 2025US 2025/0354756 A1Guangzhou Tinci Materials Technology Co., Ltd.
- Sintering furnace11 Sep 2025US 2025/0283662 A1Guangzhou Tinci Materials Technology Co., Ltd.
- Multifunctional Indirectly Heated Rotary Kiln24 Jul 2025US 2025/0237436 A1
- Device for smelting and regenerating phosphogypsum using high-temperature ceramsite and method for using same21 Nov 2024US 2024/0383805 A1Hubei Juhai Environmental Technology Co., Ltd.
Most cited
By later US patents
- Method and apparatus for the connection of a rotary drum drive of a rotary furnace21US 4,030,878 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1977
- Apparatus and method for cleaning contaminated soil16US 4,576,572 AWhirl-Air-Flow Corporation · 1986
- Rotary furnace for melting metal13US 4,337,929 ACollege Research Corporation · 1982
- Continuous microwave rotary furnace for processing sintered ceramics13US 6,104,015 A2000
- Drive apparatus for rotary unit10US 4,315,439 AKrupp Polysius AG · 1982