Hae Kyun Cheong
Inventor
Stats
- 7 US patents issued
- 10 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 7 US Patents Issued
- 10 US Applications Filed
- 82 Total Citation Count
- Dec 29, 2010 Most Recent Filing
- May 26, 2004 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB | 9
2 2 2 2 | 2004
2006 2007 2008 2010 |
SWEDEN AB | 1
| 2004
|
Inventor Addresses
Address | Duration |
---|---|
Busan, KR | May 06, 14 - May 06, 14 |
Pusan, KR | Jun 23, 05 - Sep 27, 11 |
Sasang-gu, KR | Mar 15, 07 - Jun 30, 11 |
Technology Profile
Technology | Matters | |
---|---|---|
B01D: | SEPARATION | 1 |
F04B: | POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS | 1 |
F15B: | SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR | 3 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
8713930 | 2014 | Negative control type hydraulic system | 2 |
8024926 | 2011 | Hydraulic circuit for heavy equipment | 3 |
8011387 | 2011 | Pressure control device for heavy equipment | 1 |
2011/0158,830 | 2011 | NEGATIVE CONTROL TYPE HYDRAULIC SYSTEM | 3 |
2009/0094,973 | 2009 | HYDRAULIC CIRCUIT FOR HEAVY EQUIPMENT | 5 |
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