David E McDowell
Inventor
Stats
- 20 US patents issued
- 26 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 20 US Patents Issued
- 26 US Applications Filed
- 1396 Total Citation Count
- Aug 6, 2019 Most Recent Filing
- Dec 4, 1980 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| BISSELL HOMECARE, INC. | 1
2 1 1 1 1 1 3 6 2 5 2 4 1 1 | 1980
1987 1988 1990 1992 1998 2000 2001 2002 2003 2004 2005 2007 2008 2017 |
| BISSELL INC. | 1
| 1985
|
| Amway Corp. | 1
| 1985
|
Inventor Addresses
| Address | Duration |
|---|---|
| 7425 Lime Hollow Dr., S.E., Grand Rapids, MI 49506 | Mar 02, 93 - Mar 02, 93 |
| Grand Rapids, MI | Nov 09, 82 - Mar 27, 08 |
| Grand Rapids, MI, US | Nov 15, 01 - Nov 28, 19 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A46B: | BRUSHES | 2 |
| A47L: | DOMESTIC WASHING OR CLEANING | 22 |
| B01D: | SEPARATION | 5 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2019/0357,748 | 2019 | SURFACE CLEANING APPARATUS | 3 |
| 10376124 | 2019 | Surface cleaning apparatus | 11 |
| 2017/0251,897 | 2017 | SURFACE CLEANING APPARATUS | 19 |
| 2016/0037,990 | 2016 | SURFACE CLEANING APPARATUS | 2 |
| 7918909 | 2011 | Cyclone separator with fine particle separation member | 29 |
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