Christopher Todd Hjelm
Inventor
Stats
- 12 US patents issued
- 20 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 12 US Patents Issued
- 20 US Applications Filed
- 610 Total Citation Count
- May 13, 2019 Most Recent Filing
- Sep 21, 2007 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SUNRISE R&D HOLDINGS, LLC | 1
5 13 6 2 1 | 2007
2008 2009 2010 2012 2016 |
Inventor Addresses
| Address | Duration |
|---|---|
| US | Jan 15, 09 - May 05, 11 |
| Cincinnati, OH, US | Jan 15, 09 - Feb 02, 21 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A47F: | SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS | 2 |
| G01C: | MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY | 3 |
| G01S: | RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 10909595 | 2021 | Systems and methods for controlling shelf display units and for graphically presenting information on shelf display units | 4 |
| 10719861 | 2020 | Systems and methods for controlling shelf display units and for graphically presenting information on shelf display units | 3 |
| 10580052 | 2020 | Systems and methods for controlling shelf display units and for graphically presenting information on shelf display units | 1 |
| 2019/0266,652 | 2019 | SYSTEMS AND METHODS FOR CONTROLLING SHELF DISPLAY UNITS AND FOR GRAPHICALLY PRESENTING INFORMATION ON SHELF DISPLAY UNITS | 1 |
| 10339579 | 2019 | Systems and methods for controlling shelf display units and for graphically presenting information on shelf display units | 4 |
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