| 9958183 | Portable water heating module | Nov 01, 12 | May 01, 18 | Armstrong Hot Water Inc. |
| 9897385 | Helical coil heating apparatus and method of operation | Feb 20, 15 | Feb 20, 18 | THERMA-STOR LLC |
| 9857096 | Fluid heating system and instant fluid heating device | May 04, 16 | Jan 02, 18 | EEMAX, INC. |
| 9835359 | Stackable water heater apparatus | Dec 08, 15 | Dec 05, 17 | RHEEM MANUFACTURING COMPANY |
| 9829213 | Heater with telescoping tower | Jun 30, 14 | Nov 28, 17 | OIL, GAS AND INDUSTRIAL PROCESS EQUIPMENT, TOTAL ENERGY RESOURCES, INC., |
| 9784470 | Fluid heater | Apr 29, 14 | Oct 10, 17 | HOTSTART, INC. |
| 9732982 | Boiler unit | Nov 26, 09 | Aug 15, 17 | CERES INTELLECTUAL PROPERTY COMPANY LIMITED |
| 9726398 | System and method for control of a fluid heating apparatus | Dec 05, 14 | Aug 08, 17 | SIOUX CORPORATION |
| 9719687 | Multi-temperature output fluid heating system | Jan 21, 15 | Aug 01, 17 | INTELLIHOT INC. |
| 9702583 | Method and apparatus for heating a stored liquid | Feb 22, 13 | Jul 11, 17 | PITYU CONTROLS INC. |
| 9702585 | Tankless electric water heater | Dec 17, 15 | Jul 11, 17 | EEMAX, INC. |
| 9671131 | Hydronic air heater | Jan 13, 14 | Jun 06, 17 | MESTEK, INC. |
| 9599365 | Companion water heater jacket | Jan 24, 14 | Mar 21, 17 | THE MARLEY-WYLAIN COMPANY |
| 9568214 | Systems and methods for heating water using biofuel | Aug 25, 15 | Feb 14, 17 | GREENWOOD CLEAN ENERGY, INC. |
| 9441856 | Steam generator | Feb 06, 14 | Sep 13, 16 | Certek Heat Machine Inc. |
| 9428995 | Multi-channel conduit and method for heating a fluid | Dec 09, 13 | Aug 30, 16 | Freedom Oilfield Services, Inc. |
| 9351611 | Portable water heater | Dec 28, 10 | May 31, 16 | Taph, LLC |
| 9316408 | Energy supply module and method of assembling the same | Feb 27, 14 | Apr 19, 16 | Not available |
| 9297553 | Pump assembly | Jul 01, 13 | Mar 29, 16 | WHIRLPOOL CORPORATION |
| 9267497 | Micro-fluidic pump | Oct 22, 14 | Feb 23, 16 | LEXMARK INTERNATIONAL, INC. |