Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988206 | Flareless-type pipe fitting, refrigerating device, and water-heating device | Akira Hashimoto, Seiji Chazono, Yoshiki Murayama | 2011-08-02 |
| 7971909 | Pipe joint, refrigeration device, heat pump hot water supply device, closing valve, water supply piping, method of connecting piping, and in-the field piping method | Hiromune Matsuoka, Junichirou Tanaka | 2011-07-05 |
| 7954856 | Flareless pipe coupling structure, flareless pipe coupling method, and on-site pipe coupling method | Takashi Shimamura | 2011-06-07 |