G05B 2219/45219
Making intermeshing helical rotors, for pump, compressor
G05B2219/45219 (Making intermeshing helical rotors, for pump, compressor) appears on 11 US grants and 6 published applications in this corpus.
Search patents in G05B- Granted patents
- 11
- Published applications
- 6
- Assignees
- 12
- Inventors
- 26
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device management system for inverter compressor29 Jul 2025US 12,372,285 B2Mitsubishi Electric Corporation
- Method and device for monitoring and/or control of a flow-hole and thread-forming process1 Jul 2025US 12,343,786 B2Atlas Copco IAS GmbH
- Surgical evacuation flow paths6 Jul 2021US 11,051,876 B2Cilag GmbH International
- Early surge detection of rotating equipment in a petrochemical plant or refinery27 Oct 2020US 10,816,947 B2Uop LLC
- Method and apparatus for preparing numerical control data25 Mar 1997US 5,614,800 AToyoda Koki Kabushiki Kaisha
- System and method of controlling a plurality of variable speed pumps5 Dec 2024US 2024/0402681 A1Carmel-Haifa University Economic Corp. Ltd.
- Device management system for inverter compressor21 Sep 2023US 2023/0296302 A1Mitsubishi Electric Corporation
- Method and Device for 1 Monitoring and/or Control of a Flow-Hole and Thread-Forming Process15 Dec 2022US 2022/0395893 A1Atlas Copco IAS GmbH
- Surgical evacuation flow paths4 Jul 2019US 2019/0201084 A1Ethicon, Inc.
- Early surge detection of rotating equipment in a petrochemical plant or refinery4 Oct 2018US 2018/0284705 A1Uop LLC
Most cited
By later US patents
- Surgical evacuation flow paths96US 11,051,876 B2Cilag GmbH International · 2021
- Screw rotor profile and method for generating14US 4,643,654 AAmerican Standard Inc. · 1987
- Screw rotor lobe profile for simplified screw rotor machine capacity control11US 5,066,205 AExcet Corporation · 1991
- Screw rotor lobe profile for simplified screw rotor machine capacity control9US 4,938,672 AExcet Corporation · 1990
- Method and apparatus for manufacturing an article in the form of a scroll5US 5,564,185 ATovo Advanced Technologies Co., Ltd. · 1996