John C Hedrick
Inventor
Stats
- 8 US patents issued
- 11 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 8 US Patents Issued
- 11 US Applications Filed
- 209 Total Citation Count
- May 21, 2018 Most Recent Filing
- Sep 12, 1997 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SOUTHWEST RESEARCH INSTITUTE | 1
1 1 2 3 1 3 | 1997
1998 1999 2001 2004 2014 2016 |
Inventor Addresses
| Address | Duration |
|---|---|
| Boerne, TX | Apr 06, 99 - Jun 13, 06 |
| Boerne, TX, US | Sep 08, 05 - Nov 17, 20 |
| San Antonio, TX | Dec 17, 02 - Dec 17, 02 |
| San Antonio, TX, US | Dec 12, 02 - Dec 12, 02 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| F01L: | CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES | 1 |
| F01N: | GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES | 1 |
| F01P: | COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 10837385 | 2020 | Exhaust gas temperature assist for two-cycle uniflow scavenged diesel engine at lower engine loads | 0 |
| 10690045 | 2020 | Intake air boost system for two-cycle engine having roots blowers | 0 |
| 2019/0353,113 | 2019 | Exhaust Gas Temperature Assist for Two-Cycle Uniflow Scavenged Diesel Engine at Lower Engine Loads | 0 |
| 10428707 | 2019 | Partial-flow diesel particulate filter using pressure regulated bypass | 2 |
| 2018/0252,153 | 2018 | Intake Air Boost System For Two-Cycle Engine Having Roots Blowers | 0 |
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