Hongfei Ma
Inventor
Stats
- 4 US patents issued
- 6 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 4 US Patents Issued
- 6 US Applications Filed
- 40 Total Citation Count
- Jan 19, 2022 Most Recent Filing
- Jul 5, 2002 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| AOS HOLDING COMPANY | 2
| 2008
|
| A. O. SMITH CORPORATION | 2
2 | 2010
2015 |
| QDesign USA, Inc. | 2
| 2002
|
Inventor Addresses
| Address | Duration |
|---|---|
| Nanjing City, CN | Aug 03, 23 - Aug 03, 23 |
| Nanjing, CN | Feb 25, 10 - Mar 05, 24 |
| Vancouver, CA | Jan 08, 04 - Oct 09, 07 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B23P: | OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS | 2 |
| C07C: | ACYCLIC OR CARBOCYCLIC COMPOUNDS | 1 |
| F23D: | BURNERS | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 11920923 | 2024 | Water heater, and scale detection system and method | 0 |
| 11773045 | 2023 | Acid-catalyzed photocatalyzed oxidation reaction of benzylic C—H bonds of aromatic compound | 0 |
| 2023/0242,470 | 2023 | ACID-CATALYZED PHOTOCATALYZED OXIDATION REACTION OF BENZYLIC C-H BONDS OF AROMATIC COMPOUND | 0 |
| 2022/0187,065 | 2022 | WATER HEATER, AND SCALE DETECTION SYSTEM AND METHOD | 0 |
| 9587854 | 2017 | burner for a water heater | 0 |
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