Description
Class B31C : MAKING WOUND ARTICLES, e.g. WOUND TUBES
Subclass 3/04: Forming paper tubes or pipes by feeding obliquely to the winding mandrel centre line Seam processing
B31C 3/04
Sub-Class
Stats
- 16 US PATENTS IN FORCE
- 4 US APPLICATIONS PENDING
- 5 Total Patent Owners
- 43 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12116162 | Pressure-resistant container | Jan 03, 23 | Oct 15, 24 | ENVICAN GMBH |
| 11654649 | Paper tube making apparatus | Mar 19, 21 | May 23, 23 | Chan Li Machinery Co., Ltd. |
| 11603232 | Pressure-resistant container | Jun 08, 18 | Mar 14, 23 | ENVICAN GMBH |
| 11577418 | Apparatus and method for making and cutting paper tube | Mar 18, 21 | Feb 14, 23 | Chan Li Machinery Co., Ltd. |
| 11352190 | Dunnage conversion machine, helically-crumpled dunnage product and method | Jan 13, 20 | Jun 07, 22 | RANPAK CORP. |
| 11044939 | Tubular elements for smoking articles | Aug 25, 16 | Jun 29, 21 | Philip Morris Products SA |
| 10988279 | Package maker | Oct 11, 19 | Apr 27, 21 | Not available |
| 10889403 | Wound package construct | Dec 12, 16 | Jan 12, 21 | General Mills, Inc. |
| 10583976 | Dunnage conversion machine, helically-crumpled dunnage product and method | Mar 14, 14 | Mar 10, 20 | RANPAK CORP. |
| 10525652 | Machine and method for producing cardboard tubes | Sep 20, 13 | Jan 07, 20 | Not available |
| 10183459 | Machine and method for producing cardboard tubes | Sep 20, 13 | Jan 22, 19 | Not available |
| 9561929 | Fibrous cores | Feb 18, 14 | Feb 07, 17 | The Procter & Gamble Company |
| 9033856 | Folding mandrel, device and method for manufacturing glued sleeves | Dec 18, 09 | May 19, 15 | MICHAEL HOERAUF MASCHINENFABRIK GMBH & CO. KG |
| 5595800 | Helically wound reinforced ribbed composite structure | Mar 29, 94 | Jan 21, 97 | RIB LOC AUSTRALIA PTY. LIMITED |
| 5586963 | Single-ply paperboard tube and method of forming same | Jun 27, 94 | Dec 24, 96 | SONOCO DEVELOPMENT, INC. |
| 5232429 | Method and apparatus for making a continuous tube of flexible sheet material | Feb 06, 92 | Aug 03, 93 | Technology Finance Corporation (Proprietary) Limited |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0217,693 | CAN | Apr 15, 22 | Jul 04, 24 | ENVICAN GMBH |
| 2021/0316,524 | PAPER TUBE MAKING APPARATUS | Mar 19, 21 | Oct 14, 21 | Not available |
| 2020/0189,791 | PRESSURE-RESISTANT CONTAINER | Jun 08, 18 | Jun 18, 20 | Envican GmbH |
| 2019/0307,274 | PAPER STRAW | Apr 06, 18 | Oct 10, 19 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)