Hung K Du
Examiner (ID: 6322, Phone: (571)270-1810 , Office: P/2645 )
Most Active Art Unit | 2645 |
Art Unit(s) | 2617, 2647, 2645 |
Total Applications | 327 |
Issued Applications | 159 |
Pending Applications | 0 |
Abandoned Applications | 168 |
Applications
Application number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 12587634
[patent_doc_number] => 20180087707
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-03-29
[patent_title] => CONNECTION DEVICE COMPRISING A FLEXIBLE TUBE FOR COLLECTION OF A LIQUID IN THE EVENT OF LEAKAGE OR OOZING
[patent_app_type] => utility
[patent_app_number] => 15/716064
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[patent_app_date] => 2017-09-26
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/716064 | Connection device comprising a flexible tube for collection of a liquid in the event of leakage or oozing | Sep 25, 2017 | Issued |
Array
(
[id] => 18643872
[patent_doc_number] => 11767934
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-09-26
[patent_title] => Internally welded pipes
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/714054 | Internally welded pipes | Sep 24, 2017 | Issued |
Array
(
[id] => 14950203
[patent_doc_number] => 10436362
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[patent_kind] => B2
[patent_issue_date] => 2019-10-08
[patent_title] => Clamp assembly
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/709462 | Clamp assembly | Sep 18, 2017 | Issued |
Array
(
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[patent_kind] => A1
[patent_issue_date] => 2018-01-04
[patent_title] => 'Push-to-Connect Fitting with Release Assistance Assembly and Device'
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Array
(
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[patent_doc_number] => 10557583
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[patent_kind] => B2
[patent_issue_date] => 2020-02-11
[patent_title] => Riser cap and irrigation piping system using same
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Array
(
[id] => 15229273
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[patent_title] => Joint assembly
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Array
(
[id] => 14795861
[patent_doc_number] => 10400927
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[patent_kind] => B2
[patent_issue_date] => 2019-09-03
[patent_title] => Earthquake-resistant flexible slip joint apparatus
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/702849 | Earthquake-resistant flexible slip joint apparatus | Sep 12, 2017 | Issued |
Array
(
[id] => 14044581
[patent_doc_number] => 20190078397
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[patent_kind] => A1
[patent_issue_date] => 2019-03-14
[patent_title] => SLIP LOCK CONNECTOR SYSTEM
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/699561 | Slip lock connector system | Sep 7, 2017 | Issued |
Array
(
[id] => 13094223
[patent_doc_number] => 10066446
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-09-04
[patent_title] => Tapered spline connection for drill pipe, casing, and tubing
[patent_app_type] => utility
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Array
(
[id] => 14020451
[patent_doc_number] => 20190072219
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-03-07
[patent_title] => Coupling kit to quickly attach and detach a safety whip mast to an off-road vehicle and prevent the mast from rotating.
[patent_app_type] => utility
[patent_app_number] => 15/697411
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/697411 | Coupling kit to quickly attach and detach a safety whip mast to an off-road vehicle and prevent the mast from rotating. | Sep 5, 2017 | Abandoned |
Array
(
[id] => 13988899
[patent_doc_number] => 20190063607
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-02-28
[patent_title] => METAL SEAL FITTING FOR IN-TANK TRANSMISSION OIL COOLER
[patent_app_type] => utility
[patent_app_number] => 15/690510
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/690510 | Metal seal fitting for in-tank transmission oil cooler | Aug 29, 2017 | Issued |
Array
(
[id] => 15933281
[patent_doc_number] => 20200158274
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-05-21
[patent_title] => PIPE FITTING CONNECTING METHOD AND CONNECTING STRUCTURE
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/461137 | PIPE FITTING CONNECTING METHOD AND CONNECTING STRUCTURE | Aug 29, 2017 | Abandoned |
Array
(
[id] => 13704573
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/690663 | Connector | Aug 29, 2017 | Issued |
Array
(
[id] => 12220254
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/685616 | Clamp apparatus and method for joining pipeline segments | Aug 23, 2017 | Issued |
Array
(
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[patent_title] => 'CONNECTING APPARATUS COMPRISING A RETENTION COLLAR'
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Array
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[patent_title] => Double cam levers and safety lock for cam lock fitting
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/663113 | Hazardous environment conduit sealing | Jul 27, 2017 | Issued |
Array
(
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Array
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