Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1086834 | Plastic pipe grooving tool | Chang-Ming Huang | 2025-08-05 |
| D1034921 | Pipe-to-fitting connection | Richard Douglas Atchison, Triya Nanalal Vadgama | 2024-07-09 |
| D1034925 | Pipe-to-pipe connection | Richard Douglas Atchison, Triya Nanalal Vadgama | 2024-07-09 |
| 11906096 | Thermal expansion compensating device and method of use | Ivan Lee Stiehl | 2024-02-20 |
| 11193618 | Thermal expansion compensating device and method of use | Ivan Lee Stiehl | 2021-12-07 |
| D906496 | Water heater venting assembly | Ivan Lee Stiehl | 2020-12-29 |
| D900983 | Secondary double containment pipe | — | 2020-11-03 |
| D882738 | Double containment coupling | — | 2020-04-28 |
| D873389 | Double containment elbow fitting | — | 2020-01-21 |
| 10401027 | Non-return valve for flue gas venting and damper assembly for use therein | Filippo Martino | 2019-09-03 |
| D857858 | Thermal expansion device | Ivan Lee Stiehl | 2019-08-27 |
| D837742 | Surface mount outdoor receptacle box | Aaron Kitagawa | 2019-01-08 |
| 10088156 | Water heater venting assembly | Ivan Lee Stiehl | 2018-10-02 |
| D798423 | Pipe with extended bell portion | Ian Aubin | 2017-09-26 |
| 5628006 | Computer program product and program storage device for merging and separating attributes of consoles | Peter A. Fatzinger, Kevin Chou, Sockallingam Radhakrishnan | 1997-05-06 |
| 5491819 | System and method for merging and separating attributes of consoles | Peter A. Fatzinger, Kevin Chou, Sockalingan Radhakrishnan | 1996-02-13 |