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] => 13691253 [patent_doc_number] => 20170356581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-14 [patent_title] => QUICK CONNECTOR [patent_app_type] => utility [patent_app_number] => 15/526916 [patent_app_country] => US [patent_app_date] => 2015-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15526916 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526916
QUICK CONNECTOR Nov 17, 2015 Abandoned
Array ( [id] => 10720373 [patent_doc_number] => 20160066520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-10 [patent_title] => 'IRRIGATION PIPE AND METHOD OF FABRICATION' [patent_app_type] => utility [patent_app_number] => 14/943618 [patent_app_country] => US [patent_app_date] => 2015-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6337 [patent_no_of_claims] => 14 [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] => 14943618 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/943618
Irrigation pipe and method of fabrication Nov 16, 2015 Issued
Array ( [id] => 13578185 [patent_doc_number] => 20180340641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => RESIN PIPE JOINT, PIPING, AND PIPING PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 15/771721 [patent_app_country] => US [patent_app_date] => 2015-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15771721 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/771721
Resin pipe joint, piping, and piping production method Oct 27, 2015 Issued
Array ( [id] => 14666799 [patent_doc_number] => 10371294 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-06 [patent_title] => Adapter assembly [patent_app_type] => utility [patent_app_number] => 14/919424 [patent_app_country] => US [patent_app_date] => 2015-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 56 [patent_no_of_words] => 7264 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14919424 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/919424
Adapter assembly Oct 20, 2015 Issued
Array ( [id] => 11950005 [patent_doc_number] => 20170254156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-07 [patent_title] => 'TUBULAR COMPONENT CONNECTION PROTECTOR' [patent_app_type] => utility [patent_app_number] => 15/515088 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8710 [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] => 15515088 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/515088
Tubular component connection protector Oct 19, 2015 Issued
Array ( [id] => 10694667 [patent_doc_number] => 20160040814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'TUBE-FITTING STRUCTURE FOR PURE-WATER LINE' [patent_app_type] => utility [patent_app_number] => 14/886559 [patent_app_country] => US [patent_app_date] => 2015-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3338 [patent_no_of_claims] => 8 [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] => 14886559 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/886559
TUBE-FITTING STRUCTURE FOR PURE-WATER LINE Oct 18, 2015 Abandoned
Array ( [id] => 10777362 [patent_doc_number] => 20160123518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'Protective Shield for Concrete Hose Joints' [patent_app_type] => utility [patent_app_number] => 14/883209 [patent_app_country] => US [patent_app_date] => 2015-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3141 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14883209 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/883209
Protective shield for concrete hose joints Oct 13, 2015 Issued
Array ( [id] => 10678712 [patent_doc_number] => 20160024856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-28 [patent_title] => 'DRILL STRING COMPONENTS HAVING MULTIPLE-THREAD JOINTS' [patent_app_type] => utility [patent_app_number] => 14/876501 [patent_app_country] => US [patent_app_date] => 2015-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 25617 [patent_no_of_claims] => 24 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14876501 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/876501
Drill string components having multiple-thread joints Oct 5, 2015 Issued
Array ( [id] => 14732321 [patent_doc_number] => 10385551 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-20 [patent_title] => Plumbing protector [patent_app_type] => utility [patent_app_number] => 14/872459 [patent_app_country] => US [patent_app_date] => 2015-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2338 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14872459 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/872459
Plumbing protector Sep 30, 2015 Issued
Array ( [id] => 13464095 [patent_doc_number] => 20180283590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => RESIN PIPE JOINT [patent_app_type] => utility [patent_app_number] => 15/763983 [patent_app_country] => US [patent_app_date] => 2015-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15763983 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/763983
Resin pipe joint Sep 28, 2015 Issued
Array ( [id] => 14881807 [patent_doc_number] => 10420924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-24 [patent_title] => Connector device for a fluid system for medical purposes [patent_app_type] => utility [patent_app_number] => 14/868108 [patent_app_country] => US [patent_app_date] => 2015-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 4006 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14868108 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/868108
Connector device for a fluid system for medical purposes Sep 27, 2015 Issued
Array ( [id] => 11526377 [patent_doc_number] => 20170086354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'ROTATIONAL FLUID JOINT FOR AGRICULTURAL MACHINE' [patent_app_type] => utility [patent_app_number] => 14/868069 [patent_app_country] => US [patent_app_date] => 2015-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7555 [patent_no_of_claims] => 20 [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] => 14868069 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/868069
Rotational fluid joint for agricultural machine Sep 27, 2015 Issued
Array ( [id] => 14979729 [patent_doc_number] => 10443771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-15 [patent_title] => Crimping processes for hose assemblies and hose assemblies produced thereby [patent_app_type] => utility [patent_app_number] => 14/863578 [patent_app_country] => US [patent_app_date] => 2015-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 3950 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 14863578 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/863578
Crimping processes for hose assemblies and hose assemblies produced thereby Sep 23, 2015 Issued
Array ( [id] => 13857991 [patent_doc_number] => 10190708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-29 [patent_title] => Resin-made pipe joint [patent_app_type] => utility [patent_app_number] => 15/323657 [patent_app_country] => US [patent_app_date] => 2015-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7629 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15323657 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/323657
Resin-made pipe joint Sep 16, 2015 Issued
Array ( [id] => 14089601 [patent_doc_number] => 10240699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-26 [patent_title] => Resin-made pipe joint [patent_app_type] => utility [patent_app_number] => 15/323603 [patent_app_country] => US [patent_app_date] => 2015-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 10569 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 579 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15323603 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/323603
Resin-made pipe joint Sep 16, 2015 Issued
Array ( [id] => 16029041 [patent_doc_number] => 10676930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Drain retrofit and method [patent_app_type] => utility [patent_app_number] => 15/509756 [patent_app_country] => US [patent_app_date] => 2015-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2288 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15509756 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/509756
Drain retrofit and method Sep 8, 2015 Issued
Array ( [id] => 10723356 [patent_doc_number] => 20160069504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-10 [patent_title] => 'LOCKING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/847688 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2770 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14847688 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847688
Locking device Sep 7, 2015 Issued
Array ( [id] => 13649443 [patent_doc_number] => 09851031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-26 [patent_title] => Joint and joint assembly [patent_app_type] => utility [patent_app_number] => 15/507068 [patent_app_country] => US [patent_app_date] => 2015-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 57 [patent_figures_cnt] => 57 [patent_no_of_words] => 16295 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15507068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/507068
Joint and joint assembly Sep 1, 2015 Issued
Array ( [id] => 15056581 [patent_doc_number] => 10458583 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-29 [patent_title] => Unlocking tool for a quick connector assembly [patent_app_type] => utility [patent_app_number] => 14/841149 [patent_app_country] => US [patent_app_date] => 2015-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4603 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14841149 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/841149
Unlocking tool for a quick connector assembly Aug 30, 2015 Issued
Array ( [id] => 14853215 [patent_doc_number] => 10415323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Expandable tubular thread protection [patent_app_type] => utility [patent_app_number] => 14/836480 [patent_app_country] => US [patent_app_date] => 2015-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2952 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14836480 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/836480
Expandable tubular thread protection Aug 25, 2015 Issued
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