B31C 7/02
Forming truncated cones
B31C7/02 (Forming truncated cones) appears on 19 US grants and 22 published applications in this corpus.
Search patents in B31C- Granted patents
- 19
- Published applications
- 22
- Assignees
- 21
- Inventors
- 46
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 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 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 5 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for forming a body section of a paper cup and a paper sleeve23 Jun 2026US 12,661,862 B2Tokan Kogyo Co., Ltd.
- Cigarette tube, piano for a cigarette tube, method for forming a cigarette tube, and packaging for multiple cigarette tubes30 Sep 2025US 12,426,622 B2Miquel Y Costas & Miquel, S.A.
- Side paper feeding apparatus for feeding raw side paper for paper cup manufacturing9 Sep 2025US 12,409,627 B2Hyunjin Co., Ltd
- Apparatus and method for automatically producing tubular elements29 Jul 2025US 12,370,770 B2I.M.A. Industria Macchine Autmomatiche S.P.A.
- Machine for manufacturing disposable cups1 Jul 2025US 12,343,955 B2Ms2 S.R.L.
- Apparatus for producing frustoconical barrel bodies made of paper and method9 Apr 2026US 2026/0097572 A1Imballaggi Invernizzi S.På.
- Apparatus and method for automatically producing tubular elements6 Mar 2025US 2025/0074027 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Machine for manufacturing disposable cups26 Dec 2024US 2024/0424758 A1Ms2 S.R.L.
- Cupstock with rim-formation index and associated methods and rimmed cup products1 Aug 2024US 2024/0253322 A1Cascades Canada Ulc
- Cone rolling machine29 Feb 2024US 2024/0065311 A1Roboroots IP Holding Limited
Most cited
By later US patents
- Constant flow container manufacturing device37US 4,158,989 A1979
- Machine for producing bodies of conical receptacles19US 4,398,904 AInlands Aktiebolag · 1983
- Overwrap container, method of and apparatus for producing same7US 10,398,242 B2Paper Machinery Corporation · 2019
- Conical bobbin and method of forming same7US 4,526,566 A1985
- Method and an apparatus for manufacturing side wall of a cup for cupped cake4US 6,200,406 B12001