| 9857097 | Artificial light and evacuated tube boiler | Feb 06, 14 | Jan 02, 18 | Not available |
| 9854626 | Thick film heaters | Jun 15, 11 | Dec 26, 17 | FERRO TECHNIEK HOLDING B.V. |
| 9841244 | Heat exchanger and method for its manufacture | Nov 05, 13 | Dec 12, 17 | ALFRED KAERCHER GMBH & CO. KG |
| 9810450 | Water heater | Jul 10, 15 | Nov 07, 17 | NORITZ CORPORATION |
| 9784471 | Cartridge-type inline heater and system for controlling working fluid temperature using the same | Nov 16, 12 | Oct 10, 17 | KOREA INSTITUTE OF MACHINERY & MATERIALS |
| 9732536 | Hybrid heater | Jun 22, 15 | Aug 15, 17 | PENTAIR WATER POOL AND SPA, INC. |
| 9648983 | Helical dynamic flow through heater | May 15, 12 | May 16, 17 | BLECKMANN GMBH & CO. KG |
| 9638438 | Circulation heater | Jul 08, 14 | May 02, 17 | CAST ALUMINUM SOLUTIONS, LLC |
| 9568212 | Coil tube heat exchanger for a tankless hot water system | Jan 10, 14 | Feb 14, 17 | INTELLIHOT INC. |
| 9516971 | High thermal transfer flow-through heat exchanger | Mar 15, 13 | Dec 13, 16 | KLEIN, PETER |
| 9485807 | Liquid heating apparatus and liquid heating method | Aug 31, 09 | Nov 01, 16 | KURITA WATER INDUSTRIES LTD. |
| 9347682 | Dynamic double-circuit in-line heater | May 20, 11 | May 24, 16 | NESTEC S.A. |
| 9341389 | Coil tube heat exchanger for a tankless hot water system | Jan 10, 14 | May 17, 16 | INTELLIHOT INC. |
| 9322571 | Heating system having plasma heat exchanger | Nov 07, 12 | Apr 26, 16 | LV Dynamics LLC |
| 9316409 | Heat exchanger including waste heat recovery | Aug 16, 12 | Apr 19, 16 | Enerpro, Inc. |
| 9303898 | Portable temperature-controlled water heater | Dec 05, 10 | Apr 05, 16 | Not available |
| 9254059 | Device for heating water and producing steam | May 18, 11 | Feb 09, 16 | KONINKLIJKE PHILIPS ELECTRONICS N V |
| 9217607 | Planar coil, heating device and method of heating | Mar 06, 12 | Dec 22, 15 | SEAL ANALYTICAL GMBH |
| 9109844 | Nested helical fin tube coil and associated manufacturing methods | Jan 10, 13 | Aug 18, 15 | RHEEM MANUFACTURING COMPANY |
| 9052121 | Mobile water heating apparatus | Nov 29, 12 | Jun 09, 15 | INTELLIGENT ENERGY, LLC, INTELLIGENT HEATING, LLC, |