J Nigel Ellis
Inventor
Stats
- 13 US patents issued
- 14 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 13 US Patents Issued
- 14 US Applications Filed
- 151 Total Citation Count
- Jan 23, 2015 Most Recent Filing
- May 4, 1981 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SELLSTROM MANUFACTURING CO. | 1
1 | 1982
1984 |
| ELLIS LADDER IMPROVEMENTS, INC. | 1
1 2 | 1999
2000 2001 |
Inventor Addresses
| Address | Duration |
|---|---|
| 306 Country Club Dr. | May 05, 09 - May 05, 09 |
| 306 Country Club Dr., Wilmington, DE 19803 | Jul 12, 83 - Sep 16, 03 |
| Wilmington, DE | Sep 03, 85 - Aug 28, 08 |
| Wilmington, DE, US | May 29, 03 - Jan 10, 17 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A47B: | TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE | 1 |
| A62B: | DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING | 2 |
| B60P: | VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 9540875 | 2017 | Safety device for ladders | 13 |
| 2016/0215,563 | 2016 | SAFETY DEVICE FOR LADDERS | 10 |
| D760917 | 2016 | Ladder safety rail set | 3 |
| 8316611 | 2012 | Portable safety skylight replacement assembly | 7 |
| 8251179 | 2012 | Portable safety ladder assembly | 2 |
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