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] => 9588394 [patent_doc_number] => 08777931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Retractable luer lock fittings' [patent_app_type] => utility [patent_app_number] => 13/213519 [patent_app_country] => US [patent_app_date] => 2011-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5039 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13213519 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/213519
Retractable luer lock fittings Aug 18, 2011 Issued
Array ( [id] => 11768519 [patent_doc_number] => 09377139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-28 [patent_title] => 'Flange lock' [patent_app_type] => utility [patent_app_number] => 13/136909 [patent_app_country] => US [patent_app_date] => 2011-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4423 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13136909 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/136909
Flange lock Aug 14, 2011 Issued
Array ( [id] => 7717373 [patent_doc_number] => 20120007359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'Non-Rotating Mechanical Joint for a Hose Coupling' [patent_app_type] => utility [patent_app_number] => 13/170350 [patent_app_country] => US [patent_app_date] => 2011-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4129 [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] => publications/A1/0007/20120007359.pdf [firstpage_image] =>[orig_patent_app_number] => 13170350 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/170350
Non-rotating mechanical joint for a hose coupling Jun 27, 2011 Issued
Array ( [id] => 9830662 [patent_doc_number] => 08939469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Static dissipative fluid conveying coupler' [patent_app_type] => utility [patent_app_number] => 13/166199 [patent_app_country] => US [patent_app_date] => 2011-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 5468 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13166199 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/166199
Static dissipative fluid conveying coupler Jun 21, 2011 Issued
Array ( [id] => 8189969 [patent_doc_number] => 20120117784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'Torque Limiting Fluid Connector System' [patent_app_type] => utility [patent_app_number] => 13/159377 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2060 [patent_no_of_claims] => 24 [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/A1/0117/20120117784.pdf [firstpage_image] =>[orig_patent_app_number] => 13159377 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/159377
Torque limiting fluid connector system Jun 12, 2011 Issued
Array ( [id] => 7657836 [patent_doc_number] => 20110307105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'Custom clamps for deep-sea oil containment' [patent_app_type] => utility [patent_app_number] => 13/134379 [patent_app_country] => US [patent_app_date] => 2011-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 25476 [patent_no_of_claims] => 7 [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/A1/0307/20110307105.pdf [firstpage_image] =>[orig_patent_app_number] => 13134379 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/134379
Custom clamps for deep-sea oil containment Jun 5, 2011 Abandoned
Array ( [id] => 7654864 [patent_doc_number] => 20110304133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'CONNECTOR FOR FLUID PIPING AND CONNECTOR ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 13/111528 [patent_app_country] => US [patent_app_date] => 2011-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3843 [patent_no_of_claims] => 18 [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/A1/0304/20110304133.pdf [firstpage_image] =>[orig_patent_app_number] => 13111528 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/111528
Connector for fluid piping and connector assembly May 18, 2011 Issued
Array ( [id] => 9215324 [patent_doc_number] => 08628118 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'System, method, and apparatus for multiple application fitting' [patent_app_type] => utility [patent_app_number] => 13/110373 [patent_app_country] => US [patent_app_date] => 2011-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5096 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13110373 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/110373
System, method, and apparatus for multiple application fitting May 17, 2011 Issued
Array ( [id] => 9501950 [patent_doc_number] => 08740256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Quick connector assembly' [patent_app_type] => utility [patent_app_number] => 13/100849 [patent_app_country] => US [patent_app_date] => 2011-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 6068 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13100849 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/100849
Quick connector assembly May 3, 2011 Issued
Array ( [id] => 9343406 [patent_doc_number] => 08662544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Pipe joint and seal with band clamp' [patent_app_type] => utility [patent_app_number] => 13/095208 [patent_app_country] => US [patent_app_date] => 2011-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8499 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13095208 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/095208
Pipe joint and seal with band clamp Apr 26, 2011 Issued
Array ( [id] => 9619687 [patent_doc_number] => 08789852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-29 [patent_title] => 'Hose repair clamp' [patent_app_type] => utility [patent_app_number] => 13/095579 [patent_app_country] => US [patent_app_date] => 2011-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3423 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13095579 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/095579
Hose repair clamp Apr 26, 2011 Issued
Array ( [id] => 8123303 [patent_doc_number] => 20120086200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-12 [patent_title] => 'Lockable friction joint' [patent_app_type] => utility [patent_app_number] => 13/066618 [patent_app_country] => US [patent_app_date] => 2011-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2226 [patent_no_of_claims] => 20 [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/A1/0086/20120086200.pdf [firstpage_image] =>[orig_patent_app_number] => 13066618 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/066618
Lockable friction joint Apr 18, 2011 Abandoned
Array ( [id] => 9298595 [patent_doc_number] => 08646812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-11 [patent_title] => 'Connector assembly' [patent_app_type] => utility [patent_app_number] => 13/082498 [patent_app_country] => US [patent_app_date] => 2011-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 2882 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13082498 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/082498
Connector assembly Apr 7, 2011 Issued
Array ( [id] => 11429821 [patent_doc_number] => 09568131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-14 [patent_title] => 'Connection structure of corrugated pipe' [patent_app_type] => utility [patent_app_number] => 13/639389 [patent_app_country] => US [patent_app_date] => 2011-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2455 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13639389 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/639389
Connection structure of corrugated pipe Apr 3, 2011 Issued
Array ( [id] => 9625007 [patent_doc_number] => 08794678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Vibration damper for vacuum pumps' [patent_app_type] => utility [patent_app_number] => 13/072997 [patent_app_country] => US [patent_app_date] => 2011-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3537 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 567 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13072997 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/072997
Vibration damper for vacuum pumps Mar 27, 2011 Issued
Array ( [id] => 7481473 [patent_doc_number] => 20110233926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-29 [patent_title] => 'THIN-WALLED PIPE JOINT AND METHOD TO COUPLE A FIRST PIPE TO A SECOND PIPE' [patent_app_type] => utility [patent_app_number] => 13/073917 [patent_app_country] => US [patent_app_date] => 2011-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6028 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0233/20110233926.pdf [firstpage_image] =>[orig_patent_app_number] => 13073917 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/073917
Thin-walled pipe joint Mar 27, 2011 Issued
Array ( [id] => 8610343 [patent_doc_number] => 20130015655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-17 [patent_title] => 'SWIVEL-TYPE COUPLING DEVICE FOR A RADIATOR' [patent_app_type] => utility [patent_app_number] => 13/634837 [patent_app_country] => US [patent_app_date] => 2011-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1173 [patent_no_of_claims] => 3 [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] => 13634837 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/634837
SWIVEL-TYPE COUPLING DEVICE FOR A RADIATOR Mar 13, 2011 Abandoned
Array ( [id] => 10555322 [patent_doc_number] => 09279520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-08 [patent_title] => 'Irrigation pipe assembly' [patent_app_type] => utility [patent_app_number] => 13/043148 [patent_app_country] => US [patent_app_date] => 2011-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 6308 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13043148 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/043148
Irrigation pipe assembly Mar 7, 2011 Issued
Array ( [id] => 9660636 [patent_doc_number] => 08807601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-19 [patent_title] => 'Compression seal assembly' [patent_app_type] => utility [patent_app_number] => 13/038158 [patent_app_country] => US [patent_app_date] => 2011-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3158 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13038158 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/038158
Compression seal assembly Feb 28, 2011 Issued
Array ( [id] => 11212740 [patent_doc_number] => 09441771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-13 [patent_title] => 'Pipe coupling device' [patent_app_type] => utility [patent_app_number] => 13/035788 [patent_app_country] => US [patent_app_date] => 2011-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 5401 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13035788 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/035788
Pipe coupling device Feb 24, 2011 Issued
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