Patrick R DERKACZ
Inventor
Stats
- 16 US patents issued
- 45 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 16 US Patents Issued
- 45 US Applications Filed
- 139 Total Citation Count
- Oct 23, 2023 Most Recent Filing
- Nov 1, 2012 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| EVOLUTION ENGINEERING INC. | 5
15 4 10 2 1 | 2012
2013 2014 2015 2016 2017 |
Inventor Addresses
| Address | Duration |
|---|---|
| Calgary, CA | May 08, 14 - Jul 11, 24 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B29C: | SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING | 1 |
| E21B: | EARTH OR ROCK DRILLING | 44 |
| F16B: | DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2024/0229,573 | 2024 | CENTRALIZER FOR DOWNHOLE PROBES | 0 |
| 2024/0133,249 | 2024 | CENTRALIZER FOR DOWNHOLE PROBES | 0 |
| 11795769 | 2023 | Centralizer for downhole probes | 0 |
| 11686159 | 2023 | Torsion resistant gap sub | 0 |
| 11280437 | 2022 | Sealed gap sub | 0 |
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