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] => 9259984
[patent_doc_number] => 20130341913
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-26
[patent_title] => 'COUPLING SYSTEM FOR AN EXPANDABLE FLUID DISTRIBUTION SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 13/531777
[patent_app_country] => US
[patent_app_date] => 2012-06-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 5245
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13531777
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/531777 | Coupling system for an expandable fluid distribution system | Jun 24, 2012 | Issued |
Array
(
[id] => 8425724
[patent_doc_number] => 20120247599
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-10-04
[patent_title] => 'Irrigation Pipe Connector'
[patent_app_type] => utility
[patent_app_number] => 13/494597
[patent_app_country] => US
[patent_app_date] => 2012-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13494597
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/494597 | Irrigation pipe connector | Jun 11, 2012 | Issued |
Array
(
[id] => 9177579
[patent_doc_number] => 20130319564
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-05
[patent_title] => 'PLUMBING ELBOW'
[patent_app_type] => utility
[patent_app_number] => 13/486517
[patent_app_country] => US
[patent_app_date] => 2012-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 1297
[patent_no_of_claims] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13486517
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/486517 | Plumbing elbow | May 31, 2012 | Issued |
Array
(
[id] => 9104831
[patent_doc_number] => 20130277962
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-24
[patent_title] => 'Duct Fittings'
[patent_app_type] => utility
[patent_app_number] => 13/449608
[patent_app_country] => US
[patent_app_date] => 2012-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 6321
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13449608
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/449608 | Duct fittings | Apr 17, 2012 | Issued |
Array
(
[id] => 9064063
[patent_doc_number] => 20130255819
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-03
[patent_title] => 'GAS TUBE STRUCTURE'
[patent_app_type] => utility
[patent_app_number] => 13/430889
[patent_app_country] => US
[patent_app_date] => 2012-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13430889
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/430889 | Gas tube structure | Mar 26, 2012 | Issued |
Array
(
[id] => 8498818
[patent_doc_number] => 20120298226
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-11-29
[patent_title] => 'Modular Heating and/or Cooling System with a Vertical Manifold and Method of Making Same'
[patent_app_type] => utility
[patent_app_number] => 13/430559
[patent_app_country] => US
[patent_app_date] => 2012-03-26
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13430559
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/430559 | Modular Heating and/or Cooling System with a Vertical Manifold and Method of Making Same | Mar 25, 2012 | Abandoned |
Array
(
[id] => 9050910
[patent_doc_number] => 20130248624
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-09-26
[patent_title] => 'RETRACTABLE PIPE STRUCTURE OF AIR BLOW GUN'
[patent_app_type] => utility
[patent_app_number] => 13/429193
[patent_app_country] => US
[patent_app_date] => 2012-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 2249
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13429193
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/429193 | Retractable pipe structure of air blow gun | Mar 22, 2012 | Issued |
Array
(
[id] => 8425304
[patent_doc_number] => 20120247179
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-10-04
[patent_title] => 'SENSOR HOUSING AND LATCHING MECHANISM FOR SENSOR HOUSING'
[patent_app_type] => utility
[patent_app_number] => 13/428398
[patent_app_country] => US
[patent_app_date] => 2012-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
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[patent_no_of_words] => 5967
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13428398
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/428398 | SENSOR HOUSING AND LATCHING MECHANISM FOR SENSOR HOUSING | Mar 22, 2012 | Abandoned |
Array
(
[id] => 9051491
[patent_doc_number] => 20130249206
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-09-26
[patent_title] => 'RETRACTABLE PIPE ASSEMBLY OF AIR BLOW GUN'
[patent_app_type] => utility
[patent_app_number] => 13/429127
[patent_app_country] => US
[patent_app_date] => 2012-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13429127
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/429127 | Retractable pipe assembly of air blow gun | Mar 22, 2012 | Issued |
Array
(
[id] => 10829702
[patent_doc_number] => 08857859
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-10-14
[patent_title] => 'Preconditioned air connector assembly for aircraft'
[patent_app_type] => utility
[patent_app_number] => 13/420512
[patent_app_country] => US
[patent_app_date] => 2012-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13420512
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/420512 | Preconditioned air connector assembly for aircraft | Mar 13, 2012 | Issued |
Array
(
[id] => 8249291
[patent_doc_number] => 20120153614
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-06-21
[patent_title] => 'METHOD OF FORMING A CLAMPING RING AND A CLAMPING RING'
[patent_app_type] => utility
[patent_app_number] => 13/409529
[patent_app_country] => US
[patent_app_date] => 2012-03-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 1895
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0153/20120153614.pdf
[firstpage_image] =>[orig_patent_app_number] => 13409529
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/409529 | Clamping ring | Feb 29, 2012 | Issued |
Array
(
[id] => 10077986
[patent_doc_number] => 09115830
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2015-08-25
[patent_title] => 'Jacketed line coupling'
[patent_app_type] => utility
[patent_app_number] => 13/396067
[patent_app_country] => US
[patent_app_date] => 2012-02-14
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13396067
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/396067 | Jacketed line coupling | Feb 13, 2012 | Issued |
Array
(
[id] => 8961008
[patent_doc_number] => 20130200610
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-08-08
[patent_title] => 'Fitting Having Receptacle of Varying Depth'
[patent_app_type] => utility
[patent_app_number] => 13/368589
[patent_app_country] => US
[patent_app_date] => 2012-02-08
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13368589
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/368589 | Fitting having receptacle of varying depth | Feb 7, 2012 | Issued |
Array
(
[id] => 9202566
[patent_doc_number] => 20140001743
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-01-02
[patent_title] => 'IRRIGATION PIPE COUPLER'
[patent_app_type] => utility
[patent_app_number] => 14/004707
[patent_app_country] => US
[patent_app_date] => 2012-02-04
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14004707
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/004707 | Irrigation pipe coupler | Feb 3, 2012 | Issued |
Array
(
[id] => 11736137
[patent_doc_number] => 09700709
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-07-11
[patent_title] => 'Coupling arrangement'
[patent_app_type] => utility
[patent_app_number] => 13/982917
[patent_app_country] => US
[patent_app_date] => 2012-01-26
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13982917
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/982917 | Coupling arrangement | Jan 25, 2012 | Issued |
Array
(
[id] => 8936706
[patent_doc_number] => 20130186503
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-07-25
[patent_title] => 'Corrosion mitigation system and method'
[patent_app_type] => utility
[patent_app_number] => 13/374917
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/374917 | Corrosion mitigation system and method | Jan 22, 2012 | Abandoned |
Array
(
[id] => 8937580
[patent_doc_number] => 20130187377
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-07-25
[patent_title] => 'FEMALE CONNECTOR AND METHOD FOR MAKING THE SAME'
[patent_app_type] => utility
[patent_app_number] => 13/355318
[patent_app_country] => US
[patent_app_date] => 2012-01-20
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13355318
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/355318 | FEMALE CONNECTOR AND METHOD FOR MAKING THE SAME | Jan 19, 2012 | Abandoned |
Array
(
[id] => 8937583
[patent_doc_number] => 20130187380
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-07-25
[patent_title] => 'Push-on Tubing Coupler with Triple Seal and Adapter'
[patent_app_type] => utility
[patent_app_number] => 13/353699
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/353699 | Push-on Tubing Coupler with Triple Seal and Adapter | Jan 18, 2012 | Abandoned |
Array
(
[id] => 12017335
[patent_doc_number] => 09810029
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-11-07
[patent_title] => 'Drill string components resistant to jamming'
[patent_app_type] => utility
[patent_app_number] => 13/354189
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/354189 | Drill string components resistant to jamming | Jan 18, 2012 | Issued |
Array
(
[id] => 10077991
[patent_doc_number] => 09115835
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-08-25
[patent_title] => 'Plug lock'
[patent_app_type] => utility
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[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/352728 | Plug lock | Jan 17, 2012 | Issued |