| Helium | NexAir, LLC | 2026-05-22 |
| Helium | AGL Inhalation Therapy Co. | 2026-03-02 |
| Oxygen Helium Mixture 20/80 | AGL Inhalation Therapy Co. | 2026-01-01 |
| Oxygen Helium Mixture 30/70 | AGL Inhalation Therapy Co. | 2026-01-01 |
| Helium Oxygen Nitrogen mixture | Linde Gas & Equipment Inc. | 2025-12-30 |
| Helium | Haun Specialty Gases, Inc. | 2025-12-29 |
| OXYGEN, HELIUM | Norco, Inc. | 2025-12-15 |
| OXYGEN, HELIUM | Norco, Inc. | 2025-12-15 |
| Helium | Matheson Tri-Gas, Inc. | 2025-12-02 |
| Helium | Matheson Tri-Gas, Inc. | 2025-12-02 |
| Oxygen/Helium 30/70 | MATHESON TRI-GAS, INC. | 2025-12-02 |
| Oxygen/Helium 50/50 | MATHESON TRI-GAS, INC. | 2025-12-02 |
| Oxygen/Helium 40/60 | MATHESON TRI-GAS, INC. | 2025-12-02 |
| Oxygen/Helium 25/75 | MATHESON TRI-GAS, INC. | 2025-12-02 |
| Oxygen/Helium 20/80 | MATHESON TRI-GAS, INC. | 2025-12-02 |
| Helium | General Air Service & Supply Co | 2025-11-26 |
| Helium/Oxygen Mixture 70/30 | General Air Service & Supply Co | 2025-11-26 |
| Helium/Oxygen Mixture 80/20 | General Air Service & Supply Co. | General Air Service & Suppy Co. | 2025-11-26 |
| Helium/Oxygen Mixture 80/20 | General Air Service & Supply Co. | 2025-11-26 |
| Helium | Keen Compressed Gas Co. Inc. | Keen Compressed Gas Company, Inc. | 2025-11-17 |
| Helium | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Oxygen-Helium Mixture | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Oxygen-Helium Mixture | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Oxygen-Helium Mixture | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Oxygen-Helium Mixture | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Oxygen-Helium Mixture | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Helium | NexAir, LLC | 2025-11-11 |
| Helium/Oxygen Mix | NexAir, LLC | 2025-11-11 |
| Helium/Oxygen Mix | NEXAIR, LLC | 2025-10-31 |
| Helium | ILMO Products Company | 2025-10-29 |
| Helium | Aero All Gas Company | 2025-10-28 |
| Helium | Aero All Gas Company | 2025-10-28 |
| HELIUM | A-OX Welding Supply, LLC | 2025-10-23 |
| Helium | A-OX Welding Supply, LLC | 2025-10-23 |
| Oxygen Helium Mixture 20/80 | AGL Welding Supply CO., Inc. | 2025-10-22 |
| Oxygen Helium Mixture 30/70 | AGL Welding Supply CO., Inc. | 2025-10-22 |
| HELIUM | Metro Welding Supply Corporation | 2025-10-20 |
| Helium | WSM SUPPLIER LLC. | 2025-10-08 |
| HELIUM | AIRGAS USA, LLC | 2025-09-03 |
| HELIUM | Norco, Inc. | 2025-08-31 |
| Helium | Haun Specialty Gases, Inc. | 2025-07-07 |
| HELIUM | Polarean, Inc. | 2025-05-30 |
| Helium Oxygen mixture | Linde Gas & Equipment Inc. | 2025-01-24 |
| Helium | Linde Gas & Equipment Inc. | 2025-01-15 |
| Helium | Machine & Welding Supply Company dba Arc3 Gases South | 2024-12-06 |
| HELIUM | Spec Connection International Inc | Spec Connection International, Inc. | 2024-11-19 |
| HELIUM | Air Source Industries Inc | 2024-10-06 |
| Helium Oxygen mixture | Airgas Usa, LLC | 2024-10-01 |
| Helium, Oxygen | AIRGAS USA, LLC | 2024-10-01 |
| Helium, Oxygen | AIRGAS USA, LLC | 2024-10-01 |
| Abrotanum (Artemisia Abrotanum), Aethusa Cynapium, Baptisia Tinctoria, Cicuta Virosa, Cuprum Metallicum, Mezereum, Bufo Rana, Lac Materna Humanum, Saccharum Officinale, Serotonin (Hydrochloride), Alumina, Calcarea Phosphorica, Candida Albicans, Carcinosin, Helium, Lac Caninum, Mercurius solubilis, Natrum Muriaticum, Sulphur, Thuja Occidentalis, Formalinum, Morbillinum | Energique, Inc. | Apotheca Company | 2024-09-27 |
| Ethylicum, Kali Bromatum, Aspartame, L-Dopa, Serotonin (Hydrochloride), Cerebrum Suis, Placenta Totalis Suis, Agaricus Muscarius, Bufo Rana, Helleborus Niger, Hyoscyamus Niger, Olibanum (Boswellia Serrata), Stramonium, Thuja Occidentalis, Helium, Neon, Carcinosin, Hydrogen | Deseret Biologicals, Inc | Apotheca Company | 2024-09-11 |
| Helium | Praxair, Puerto Rico Inc. | 2022-12-27 |
| Ethylicum, Kali Bromatum, Aspartic Acid, L-Dopa, Serotonin (Hydrochloride), Cerebrum Suis, Placenta Totalis Suis, Agaricus Muscarius, Bufo Rana, Helleborus Niger, Hyoscyamus Niger, Olibanum (Boswellia Serrata), Stramonium, Thuja Occidentalis, Helium, Neon, Carcinosin, Hydrogen | Deseret Biologicals, Inc | Apotheca Company | 2022-11-08 |
| Helium | Praxair Distribution, Inc. | Praxair Distribution, Inc | 2021-12-21 |
| Oxygen Helium Mixture 30/70 | Aero All Gas Company | 2017-12-18 |
| Oxygen Helium Mixture | Aero All Gas Company | 2017-12-18 |
| HELIUM | Air Liquide Healthcare America Corporation | Air Liquide Industrial U.S. LP | 2014-08-25 |
| Helium Oxygen mixture | Praxair Distribution Southeast LLC | 2013-07-29 |
| Helium Oxygen Nitrogen mixture | Praxair Distribution Southeast LLC | 2013-07-29 |
| Helium | Spec Connection International Inc | Spec Connection International, Inc. | 2012-12-19 |
| Helium | AIRGAS-NORPAC INC. | AIRGAS - NOR PAC, INC. | AIRGAS-NORPAC INC, | AIRGAS - NOR PAC, INC | 2012-02-07 |
| Helium Oxygen Mix | Encompass Medical & Specialty Gases Ltd | 2011-12-29 |
| Helium/Oxygen Mixture 80/20 | General Air Service & Supply Co | 2010-12-22 |
| Helium/Oxygen Mixture 70/30 | General Air Service & Supply Co | 2010-12-22 |
| Helium | Encompass Medical & Specialty Gases, Ltd. | 2010-12-20 |
| Helium Oxygen | Airgas National Welders | 2010-10-20 |
| Helium Oxygen | Airgas National Welders | 2010-10-18 |
| Helium Oxygen | Airgas National Welders | 2010-10-12 |
| Helium | Nordan Smith Welding Supply | 2010-08-13 |
| Helium | Airgas East, Inc. | 2010-06-23 |
| Helium Oxygen Mixture | Airgas Intermountain Inc | 2010-06-22 |
| Helium | Airgas Intermountain Inc | 2010-06-22 |
| Helium | Airgas Northern California and Nevada, Inc. | 2010-06-14 |
| Helium Oxygen Mix 80/20 | Airgas-West, Inc. | 2010-05-27 |
| Helium Oxygen Mix 70/30 | Airgas-West, Inc. | 2010-05-27 |
| Oxygen Helium Mixture | Aero All Gas Company | 2010-05-25 |
| Helium | GT Industries Inc | 2010-05-25 |
| Helium | Airgas-West, Inc. | 2010-05-25 |
| Oxygen Helium Mixture 40/60 | Aero All Gas Company | 2010-05-25 |