B29C 66/8227
Using springs
Official title: {using springs}
B29C66/8227 (Using springs) appears on 286 US grants and 170 published applications in this corpus.
Search patents in B29C- Granted patents
- 286
- Published applications
- 170
- Assignees
- 195
- Inventors
- 493
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 8 |
| 2003 | 8 | 8 |
| 2004 | 12 | 14 |
| 2005 | 8 | 8 |
| 2006 | 6 | 8 |
| 2007 | 2 | 6 |
| 2008 | 7 | 5 |
| 2009 | 1 | 9 |
| 2010 | 3 | 6 |
| 2011 | 7 | 11 |
| 2012 | 4 | 7 |
| 2013 | 5 | 10 |
| 2014 | 7 | 2 |
| 2015 | 8 | 11 |
| 2016 | 4 | 7 |
| 2017 | 7 | 10 |
| 2018 | 5 | 9 |
| 2019 | 10 | 2 |
| 2020 | 8 | 6 |
| 2021 | 5 | 2 |
| 2022 | 2 | 6 |
| 2023 | 4 | 4 |
| 2024 | 4 | 4 |
| 2025 | 1 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Negative pressure wound therapy apparatus and methods19 May 2026US 12,629,466 B2Smith & Nephew, Inc.
- Seal and cut assembly for heat sealing machine10 Jun 2025US 12,325,547 B2TOPPAN Packaging Americas Holdings, Inc.
- Fusion welding device24 Dec 2024US 12,172,387 B2Taizhou Yongpai Pack Equipment Co., Ltd.
- Apparatus for filling and sealing bags intended for containing banknotes17 Dec 2024US 12,168,535 B2Cima S.P.A.
- Seal and cut assembly for heat sealing machine14 May 2024US 11,981,471 B2Sonoco Development, Inc.
- Negative pressure wound therapy apparatus and methods17 Sep 2026US 2026/0273165 A1Smith & Nephew, Inc.
- Seal and cut assembly for heat sealing machine25 Sep 2025US 2025/0296719 A1TOPPAN Packaging Americas Holdings, Inc.
- Device for an ultrasonic welding of a workpiece, and method for operating such a device5 Jun 2025US 2025/0178288 A1Herrmann Ultraschalltechnik GmbH & Co. KG
- Weld Seam, Method and Device for Connecting Plastics Films by Thermal Joining, and Use of a Blow-Forging Press27 Mar 2025US 2025/0100230 A1
- Automated Apparatus6 Feb 2025US 2025/0042102 A1Cellular Origins Limited
Most cited
By later US patents
- Apparatus for rivetting592US 8,327,514 B2Gunyang Trunet Co., Ltd. · 2012
- Stapling apparatus and method and thermoplastic stables used therewith406US 4,281,785 ADayco Corporation · 1981
- System and device for inflating and sealing air inflated cushioning material152US 4,017,351 AMinnesota Mining and Manufacturing Company · 1977
- Methods and apparatus for intermittent rotary ultrasonic bonding system130US 6,123,792 AKimberly-Clark Worldwide, Inc. · 2000
- Thermoplastic filament winding process98US 4,010,054 A1977