| Number | Name | Date | Kind |
|---|---|---|---|
| D17614 | Parmelee | Aug 1887 | S |
| D29740 | Higgin | Nov 1898 | S |
| 647023 | Paul | Apr 1900 | A |
| D36216 | Wilder | Feb 1903 | S |
| 1355218 | Ellis | Oct 1920 | A |
| 1368318 | Bassler | Feb 1921 | A |
| 1371725 | Bernard | Mar 1921 | A |
| 1747159 | Callahan | Feb 1930 | A |
| D91911 | Stevens | Apr 1934 | S |
| D536080 | Folkers | Jan 2007 | S |
| Entry |
|---|
| Thermex.com, Finned tube heat exchanger, Dec. 25, 2017, online product page, retrieved Apr. 10, 2020 from <URL:https://web.archive.org/web/20171225232642/http://www.thermex.co.uk/product/finned-tube-heat-exchangers> (Year: 2017). |