| Number | Name | Date | Kind |
|---|---|---|---|
| 2381 | Wyeth | Dec 1841 | A |
| 1474855 | Stamp | Nov 1923 | A |
| 3621983 | Arentzen | Nov 1971 | A |
| 3974907 | Shaw | Aug 1976 | A |
| 4850783 | Maekawa | Jul 1989 | A |
| 6799933 | Wasinger | Oct 2004 | B1 |
| 7866456 | Bauman | Jan 2011 | B2 |
| 7946416 | Grose | May 2011 | B2 |
| 8147176 | Coers | Apr 2012 | B2 |
| 8251199 | Tebbe | Aug 2012 | B2 |
| 8573387 | Trimble | Nov 2013 | B2 |
| 8820510 | Forster | Sep 2014 | B2 |
| D819920 | Friesen | Jun 2018 | S |
| D824131 | Friesen | Jul 2018 | S |
| 20120298478 | Friesen | Nov 2012 | A1 |
| 20160230934 | Friesen | Aug 2016 | A1 |
| 20170334654 | Friesen | Nov 2017 | A1 |
| 20190016546 | Friesen | Jan 2019 | A1 |
| Entry |
|---|
| HiCrush, “Top Fill Conveyor”, Apr. 2, 2019. https://cdn2.hubspot.net/hubfs/4010401/Hi-Crush_Nov2018/Hi-Crush_FB-Top-Fill-Conveyor_TechSheet_FINAL.pdf. Shown on p. 2. (Year: 2019). |