| 9995122 | Dual fuel burner | May 15, 15 | Jun 12, 18 | Adler Hot Oil Service, LLC |
| 9958152 | Multi-functional fuel nozzle with an atomizer array | Aug 14, 14 | May 01, 18 | SIEMENS AKTIENGESELLSCHAFT |
| 9938808 | Wellhead gas separator system | Oct 08, 14 | Apr 10, 18 | Adler Hot Oil Service, LLC |
| RE46600 | Multi-gas valve for a gas burning appliance | Apr 09, 13 | Nov 07, 17 | COPRECITEC, S.L. |
| 9752779 | Heating assembly | Feb 27, 14 | Sep 05, 17 | Not available |
| 9752782 | Dual fuel heater with selector valve | Dec 19, 14 | Sep 05, 17 | Not available |
| 9581329 | Gas-fueled heater | Nov 24, 15 | Feb 28, 17 | Not available |
| 9518732 | Heating assembly | Feb 14, 14 | Dec 13, 16 | Not available |
| 9447969 | Low NOx combustion process and burner therefor | Mar 09, 12 | Sep 20, 16 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'ÉXPLOITATION DES PROCÉDÉS GEORGES CLAUDE, |
| 9441833 | Heating assembly | Feb 14, 14 | Sep 13, 16 | Not available |
| 9423123 | Safety pressure switch | Feb 14, 14 | Aug 23, 16 | Not available |
| 9416977 | Heater configured to operate with a first or second fuel | Oct 25, 13 | Aug 16, 16 | PROCOM HEATING, INC. |
| 9395086 | Multi-gas appliance | Apr 04, 13 | Jul 19, 16 | COPRECITEC, S.L. |
| 9341378 | Multi-gas appliance | Nov 20, 13 | May 17, 16 | COPRECITEC, S.L. |
| 9200802 | Dual fuel heater with selector valve | Mar 08, 13 | Dec 01, 15 | Not available |
| 9194583 | Mixed fuel vacuum burner-reactor | Feb 20, 13 | Nov 24, 15 | Not available |
| 9175848 | Dual fuel heater with selector valve | Mar 08, 13 | Nov 03, 15 | Not available |
| 9170016 | Dual fuel heater with selector valve | Mar 08, 13 | Oct 27, 15 | Not available |
| 9140457 | Dual fuel heating system and air shutter | Jun 20, 14 | Sep 22, 15 | Not available |
| 9091431 | Dual fuel valve with air shutter adjustment | Mar 08, 13 | Jul 28, 15 | Not available |