Rand Ackroyd
Inventor
Stats
- 2 US patents issued
- 3 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 3 US Applications Filed
- 28 Total Citation Count
- Oct 20, 2003 Most Recent Filing
- Jul 11, 1996 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| WATTS REGULATOR CO. | 1
1 1 | 1996
1999 2003 |
| YOKOGAWA ELECTRIC CORPORATION | 1
| 1999
|
Inventor Addresses
| Address | Duration |
|---|---|
| Methuen, MA | Jan 05, 99 - Apr 18, 00 |
| Newburyport, MA | Nov 25, 04 - Nov 25, 04 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E03C: | DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER | 1 |
| F16K: | VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2004/0231,721 | 2004 | Spill-resistant relief valve | 1 |
| 6050293 | 2000 | Flapper check valve | 9 |
| 5855224 | 1999 | Flapper check valve | 12 |
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