Paul D Stephens
Inventor
Stats
- 65 US patents issued
- 73 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 65 US Patents Issued
- 73 US Applications Filed
- 1789 Total Citation Count
- Apr 4, 2022 Most Recent Filing
- Dec 13, 1988 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ROYAL APPLIANCE MFG. CO. | 1
1 2 1 4 3 4 6 1 3 5 3 6 13 10 3 7 2 2 2 | 1988
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2009 |
| AMERICAN STERILIZER COMPANY | 1
| 2013
|
| TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED | 2
| 2011
|
Inventor Addresses
| Address | Duration |
|---|---|
| Cleaveland Heights, OH, US | Jan 29, 04 - Jan 29, 04 |
| Cleveland Heights, OH | Aug 27, 91 - Dec 12, 06 |
| Cleveland Heights, OH, US | Nov 15, 01 - Aug 25, 05 |
| Cleveland Hts., OH | Feb 22, 00 - Oct 29, 02 |
| Cleveland, Heights, OH | May 26, 98 - May 26, 98 |
| Cleveland, OH | Dec 21, 99 - Dec 21, 99 |
| Twinsburg, OH | Jan 29, 02 - Mar 15, 07 |
| Twinsburg, OH, US | Mar 07, 02 - Nov 28, 23 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A47L: | DOMESTIC WASHING OR CLEANING | 41 |
| A61G: | TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS | 2 |
| B01D: | SEPARATION | 6 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 11828301 | 2023 | Air filtration ceiling fan | 0 |
| 11821426 | 2023 | Progressive cavity pump | 0 |
| 2022/0283,053 | 2022 | FASTENER TESTING SYSTEM AND APPARATUS | 0 |
| 2022/0228,603 | 2022 | AIR FILTRATION CEILING FAN | 0 |
| 11293458 | 2022 | Air filtration ceiling fan | 2 |
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