Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351772 | Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends | Mary E. Koban, Hubert Mentz, Jr. | 2025-07-08 |
| 11802253 | Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends | Mary E. Koban, Hubert Mentz, Jr. | 2023-10-31 |
| 11453834 | Compositions, system and methods for introducing POE lubricant into an air-conditioning or a refrigeration system | Mary E. Koban, Hubert Mentz, Jr. | 2022-09-27 |
| 11427777 | Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends | Mary E. Koban, Hubert Mentz, Jr. | 2022-08-30 |
| 10913913 | Polyol ester compositions | Mary E. Koban, Hubert Mentz, Jr. | 2021-02-09 |
| 10883063 | Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends | Mary E. Koban, Hubert Mentz, Jr. | 2021-01-05 |