B29L 2031/7732
Helical
Official title: {Helical (springs B29L2031/774)}
B29L2031/7732 (Helical) appears on 19 US grants and 21 published applications in this corpus.
Search patents in B29L- Granted patents
- 19
- Published applications
- 21
- Assignees
- 20
- Inventors
- 62
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite coil spring with carbon and glass fiber layers31 Mar 2026US 12,590,616 B2Mitsubishi Steel Mfg. Co., Ltd.
- Resin parts and manufacturing method of resin parts17 Jan 2023US 11,554,526 B2Toyota Shatai Kabushiki Kaisha
- Drive cable and method of production30 Aug 2022US 11,428,299 B2KüSter Unternehmensgruppe
- Molding designs for helical antennas5 Jul 2022US 11,380,982 B2Molex Cvs Grand Blanc, LLC
- Wire material for elastic member and elastic member10 Nov 2020US 10,828,845 B2NHK Spring Co., Ltd.
- Fabricating rubber lining for composite pcp stator18 Dec 2025US 2025/0381718 A1Schlumberger Technology Corporation
- Synthetic resin container31 Oct 2024US 2024/0359856 A1Yoshino Kogyosho Co., Ltd.
- Composite coil spring with carbon and glass fiber layers2 Jun 2022US 2022/0170525 A1Mitsubishi Steel Mfg. Co., Ltd.
- Drive Cable and Method of Production16 Apr 2020US 2020/0116241 A1KüSter Unternehmensgruppe
- Molding Designs For Helical Antennas31 Oct 2019US 2019/0334229 A1Laird Technologies, Inc.
Most cited
By later US patents
- Filter-catheter and method of manufacturing same541US 5,421,832 A1995
- Ribbed core dual wall structure40US 6,405,974 B12002
- Multi-wall cylindrical structure, method of making such structure, and apparatus for carrying out such method27US 6,955,780 B2Proteus S.A. · 2005
- Method of and means for producing a helical band9US 4,661,184 A1987
- Mold and process for manufacturing helical shaped items9US 4,871,505 ALaitram, L. L. C. · 1989