Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 6075650 [patent_doc_number] => 20110140410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-16 [patent_title] => 'WATER DISTRIBUTION FITTING AND DISTRIBUTION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/031686 [patent_app_country] => US [patent_app_date] => 2011-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2933 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0140/20110140410.pdf [firstpage_image] =>[orig_patent_app_number] => 13031686 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/031686
WATER DISTRIBUTION FITTING AND DISTRIBUTION SYSTEM Feb 21, 2011 Abandoned
Array ( [id] => 8155131 [patent_doc_number] => 20120098258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-26 [patent_title] => 'APPARATUS FOR CONNECTING AND SEALING PIPELINES' [patent_app_type] => utility [patent_app_number] => 13/031267 [patent_app_country] => US [patent_app_date] => 2011-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3140 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0098/20120098258.pdf [firstpage_image] =>[orig_patent_app_number] => 13031267 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/031267
APPARATUS FOR CONNECTING AND SEALING PIPELINES Feb 20, 2011 Abandoned
Array ( [id] => 8344987 [patent_doc_number] => 20120205909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-16 [patent_title] => 'Split-Ring Gland Pipe Coupling with Corrugated Armor' [patent_app_type] => utility [patent_app_number] => 13/028287 [patent_app_country] => US [patent_app_date] => 2011-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7960 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13028287 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/028287
Split-ring gland pipe coupling with corrugated armor Feb 15, 2011 Issued
Array ( [id] => 12107085 [patent_doc_number] => 09863560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-09 [patent_title] => 'Expansible threaded joint and method for making same' [patent_app_type] => utility [patent_app_number] => 13/578947 [patent_app_country] => US [patent_app_date] => 2011-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 7850 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13578947 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/578947
Expansible threaded joint and method for making same Feb 10, 2011 Issued
Array ( [id] => 6084091 [patent_doc_number] => 20110215571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-08 [patent_title] => 'Coupling component for a fluidic quick-connection system' [patent_app_type] => utility [patent_app_number] => 13/023259 [patent_app_country] => US [patent_app_date] => 2011-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2557 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0215/20110215571.pdf [firstpage_image] =>[orig_patent_app_number] => 13023259 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/023259
Coupling component for a fluidic quick-connection system Feb 7, 2011 Abandoned
Array ( [id] => 10855966 [patent_doc_number] => 08882155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Assembly for fastening a fitting to a manifold' [patent_app_type] => utility [patent_app_number] => 13/020321 [patent_app_country] => US [patent_app_date] => 2011-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2626 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13020321 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/020321
Assembly for fastening a fitting to a manifold Feb 2, 2011 Issued
Array ( [id] => 9501953 [patent_doc_number] => 08740259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Internally lined pipe connections and related methods of makeup' [patent_app_type] => utility [patent_app_number] => 13/019709 [patent_app_country] => US [patent_app_date] => 2011-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 3306 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13019709 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/019709
Internally lined pipe connections and related methods of makeup Feb 1, 2011 Issued
Array ( [id] => 8281578 [patent_doc_number] => 08215679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-10 [patent_title] => 'Subsea choke insert locking apparatus' [patent_app_type] => utility [patent_app_number] => 13/017962 [patent_app_country] => US [patent_app_date] => 2011-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2153 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13017962 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/017962
Subsea choke insert locking apparatus Jan 30, 2011 Issued
Array ( [id] => 7699252 [patent_doc_number] => 20110227338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-22 [patent_title] => 'SEALED PIPE JOINT' [patent_app_type] => utility [patent_app_number] => 13/013739 [patent_app_country] => US [patent_app_date] => 2011-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3273 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0227/20110227338.pdf [firstpage_image] =>[orig_patent_app_number] => 13013739 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/013739
SEALED PIPE JOINT Jan 24, 2011 Abandoned
Array ( [id] => 6000327 [patent_doc_number] => 20110116887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-19 [patent_title] => 'ALIGNED AND AXIALLY LOADED PIG INJECTOR VALVE, THREADED CONNECTION AND METHOD FOR CONNECTING THREADED MEMBERS' [patent_app_type] => utility [patent_app_number] => 13/013487 [patent_app_country] => US [patent_app_date] => 2011-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2553 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20110116887.pdf [firstpage_image] =>[orig_patent_app_number] => 13013487 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/013487
ALIGNED AND AXIALLY LOADED PIG INJECTOR VALVE, THREADED CONNECTION AND METHOD FOR CONNECTING THREADED MEMBERS Jan 24, 2011 Abandoned
Array ( [id] => 14598589 [patent_doc_number] => 10352484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-16 [patent_title] => Exhaust system [patent_app_type] => utility [patent_app_number] => 13/011982 [patent_app_country] => US [patent_app_date] => 2011-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 24 [patent_no_of_words] => 5753 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13011982 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/011982
Exhaust system Jan 23, 2011 Issued
Array ( [id] => 6161712 [patent_doc_number] => 20110193341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-11 [patent_title] => 'SECURING DEVICE OF A FLUID LINE CONNECTION' [patent_app_type] => utility [patent_app_number] => 13/007797 [patent_app_country] => US [patent_app_date] => 2011-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6524 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0193/20110193341.pdf [firstpage_image] =>[orig_patent_app_number] => 13007797 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/007797
Securing device of a fluid line connection Jan 16, 2011 Issued
Array ( [id] => 6059156 [patent_doc_number] => 20110198843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-18 [patent_title] => 'PORT STRUCTURE AND FLUID DEVICE INCLUDING THE PORT STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/007138 [patent_app_country] => US [patent_app_date] => 2011-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7188 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0198/20110198843.pdf [firstpage_image] =>[orig_patent_app_number] => 13007138 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/007138
PORT STRUCTURE AND FLUID DEVICE INCLUDING THE PORT STRUCTURE Jan 13, 2011 Abandoned
Array ( [id] => 10523406 [patent_doc_number] => 09249912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Hose coupling with retaining spring' [patent_app_type] => utility [patent_app_number] => 12/981690 [patent_app_country] => US [patent_app_date] => 2010-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4556 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12981690 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/981690
Hose coupling with retaining spring Dec 29, 2010 Issued
Array ( [id] => 8857173 [patent_doc_number] => 08459698 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-11 [patent_title] => 'Riser cap and irrigation piping system using same' [patent_app_type] => utility [patent_app_number] => 12/977307 [patent_app_country] => US [patent_app_date] => 2010-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3025 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12977307 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/977307
Riser cap and irrigation piping system using same Dec 22, 2010 Issued
Array ( [id] => 8261114 [patent_doc_number] => 20120160536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-28 [patent_title] => 'FLUID CONNECTOR WITH HOSE CUTTING RING' [patent_app_type] => utility [patent_app_number] => 12/977521 [patent_app_country] => US [patent_app_date] => 2010-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3580 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12977521 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/977521
FLUID CONNECTOR WITH HOSE CUTTING RING Dec 22, 2010 Abandoned
Array ( [id] => 8480571 [patent_doc_number] => 20120279979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => ' FLUID SWIVEL FOR ALLOWING FLUID TRANSFER ACROSS A ROTARY INTERFACE' [patent_app_type] => utility [patent_app_number] => 13/519968 [patent_app_country] => US [patent_app_date] => 2010-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3183 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13519968 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/519968
FLUID SWIVEL FOR ALLOWING FLUID TRANSFER ACROSS A ROTARY INTERFACE Dec 19, 2010 Abandoned
Array ( [id] => 8669134 [patent_doc_number] => 20130043672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-21 [patent_title] => 'Fluidic Coupler Assembly With Conical Ferrule' [patent_app_type] => utility [patent_app_number] => 13/517988 [patent_app_country] => US [patent_app_date] => 2010-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2226 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13517988 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/517988
Fluidic coupler assembly with conical ferrule Dec 19, 2010 Issued
Array ( [id] => 8217556 [patent_doc_number] => 20120133129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => ' SEAL BETWEEN PIPE SECTIONS' [patent_app_type] => utility [patent_app_number] => 13/054764 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3114 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13054764 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/054764
Seal between pipe sections Dec 12, 2010 Issued
Array ( [id] => 9887710 [patent_doc_number] => 08973953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-10 [patent_title] => 'Seal between pipe sections' [patent_app_type] => utility [patent_app_number] => 13/054937 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3144 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13054937 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/054937
Seal between pipe sections Dec 12, 2010 Issued
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