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] => 7773352 [patent_doc_number] => 20120038144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'Fittings for Electrical Conduits' [patent_app_type] => utility [patent_app_number] => 12/856577 [patent_app_country] => US [patent_app_date] => 2010-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2142 [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/A1/0038/20120038144.pdf [firstpage_image] =>[orig_patent_app_number] => 12856577 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/856577
Fittings for Electrical Conduits Aug 12, 2010 Abandoned
Array ( [id] => 6572991 [patent_doc_number] => 20100320754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-23 [patent_title] => 'REVERSE SLIDING SEAL FOR EXPANDABLE TUBULAR CONNECTIONS' [patent_app_type] => utility [patent_app_number] => 12/855422 [patent_app_country] => US [patent_app_date] => 2010-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5201 [patent_no_of_claims] => 22 [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/A1/0320/20100320754.pdf [firstpage_image] =>[orig_patent_app_number] => 12855422 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/855422
REVERSE SLIDING SEAL FOR EXPANDABLE TUBULAR CONNECTIONS Aug 11, 2010 Abandoned
Array ( [id] => 7762965 [patent_doc_number] => 20120032438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'HIGH PRESSURE FITTING FOR HYDROGEN APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 12/852929 [patent_app_country] => US [patent_app_date] => 2010-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2066 [patent_no_of_claims] => 21 [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/A1/0032/20120032438.pdf [firstpage_image] =>[orig_patent_app_number] => 12852929 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/852929
High pressure fitting for hydrogen applications Aug 8, 2010 Issued
Array ( [id] => 10134641 [patent_doc_number] => 09167944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-27 [patent_title] => 'Construction technique for a domestic appliance such as a surface cleaning apparatus' [patent_app_type] => utility [patent_app_number] => 12/846131 [patent_app_country] => US [patent_app_date] => 2010-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 7664 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12846131 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/846131
Construction technique for a domestic appliance such as a surface cleaning apparatus Jul 28, 2010 Issued
Array ( [id] => 8457017 [patent_doc_number] => 08292680 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-10-23 [patent_title] => 'External brass seal for the LRU-16/P life raft' [patent_app_type] => utility [patent_app_number] => 12/843257 [patent_app_country] => US [patent_app_date] => 2010-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1903 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12843257 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/843257
External brass seal for the LRU-16/P life raft Jul 25, 2010 Issued
Array ( [id] => 7647999 [patent_doc_number] => 20110297267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'FLEXIBLE HOSE ASSEMBLY WITH JOINT' [patent_app_type] => utility [patent_app_number] => 12/841517 [patent_app_country] => US [patent_app_date] => 2010-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4862 [patent_no_of_claims] => 12 [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/A1/0297/20110297267.pdf [firstpage_image] =>[orig_patent_app_number] => 12841517 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/841517
Flexible hose assembly with joint Jul 21, 2010 Issued
Array ( [id] => 7559104 [patent_doc_number] => 20110272935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-10 [patent_title] => 'Quick-coupling device for pipelines and the like' [patent_app_type] => utility [patent_app_number] => 12/804158 [patent_app_country] => US [patent_app_date] => 2010-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4609 [patent_no_of_claims] => 15 [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/A1/0272/20110272935.pdf [firstpage_image] =>[orig_patent_app_number] => 12804158 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/804158
Quick-coupling device for pipelines and the like Jul 14, 2010 Issued
Array ( [id] => 7717372 [patent_doc_number] => 20120007358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'Gasket Retention System for Flange Coupling' [patent_app_type] => utility [patent_app_number] => 12/831807 [patent_app_country] => US [patent_app_date] => 2010-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2936 [patent_no_of_claims] => 33 [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/A1/0007/20120007358.pdf [firstpage_image] =>[orig_patent_app_number] => 12831807 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/831807
Gasket Retention System for Flange Coupling Jul 6, 2010 Abandoned
Array ( [id] => 6431921 [patent_doc_number] => 20100278611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'Apparatus to mechanically load a compression member' [patent_app_type] => utility [patent_app_number] => 12/803708 [patent_app_country] => US [patent_app_date] => 2010-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2754 [patent_no_of_claims] => 7 [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/A1/0278/20100278611.pdf [firstpage_image] =>[orig_patent_app_number] => 12803708 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/803708
Apparatus to mechanically load a compression member Jul 2, 2010 Issued
Array ( [id] => 7706838 [patent_doc_number] => 20120001418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-05 [patent_title] => 'Connector' [patent_app_type] => utility [patent_app_number] => 12/803699 [patent_app_country] => US [patent_app_date] => 2010-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1525 [patent_no_of_claims] => 6 [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] => 12803699 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/803699
Connector Jul 1, 2010 Abandoned
Array ( [id] => 7706852 [patent_doc_number] => 20120001425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-05 [patent_title] => 'Fluid Line Connecting Fitting' [patent_app_type] => utility [patent_app_number] => 12/829818 [patent_app_country] => US [patent_app_date] => 2010-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1768 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12829818 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/829818
Fluid Line Connecting Fitting Jul 1, 2010 Abandoned
Array ( [id] => 8277099 [patent_doc_number] => 20120170973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'INSERTION END FITTING FOR A COUPLING OR THE LIKE REQUIRING A LOW PUSH-TOGETHER FORCE' [patent_app_type] => utility [patent_app_number] => 13/382558 [patent_app_country] => US [patent_app_date] => 2010-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3458 [patent_no_of_claims] => 9 [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] => 13382558 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/382558
Insertion end fitting for a coupling or the like requiring a low push-together force Jun 28, 2010 Issued
Array ( [id] => 7660343 [patent_doc_number] => 20110309612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'DRYER DUCT ELBOW' [patent_app_type] => utility [patent_app_number] => 12/818387 [patent_app_country] => US [patent_app_date] => 2010-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2491 [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] => publications/A1/0309/20110309612.pdf [firstpage_image] =>[orig_patent_app_number] => 12818387 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/818387
Dryer duct elbow Jun 17, 2010 Issued
Array ( [id] => 6089473 [patent_doc_number] => 20110000574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-06 [patent_title] => 'Adjustable Vertical Exhaust Duct' [patent_app_type] => utility [patent_app_number] => 12/817741 [patent_app_country] => US [patent_app_date] => 2010-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 2374 [patent_no_of_claims] => 26 [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/A1/0000/20110000574.pdf [firstpage_image] =>[orig_patent_app_number] => 12817741 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/817741
Adjustable vertical exhaust duct Jun 16, 2010 Issued
Array ( [id] => 7497006 [patent_doc_number] => 20110260446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'MULTIPLE PORT PARALLEL ACCESS PIPING FLANGE' [patent_app_type] => utility [patent_app_number] => 12/816658 [patent_app_country] => US [patent_app_date] => 2010-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4258 [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/A1/0260/20110260446.pdf [firstpage_image] =>[orig_patent_app_number] => 12816658 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/816658
MULTIPLE PORT PARALLEL ACCESS PIPING FLANGE Jun 15, 2010 Abandoned
Array ( [id] => 8513961 [patent_doc_number] => 20120313369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-13 [patent_title] => 'DEVICE FOR CONNECTING A PLASTIC TUBE TO A CONNECTION NIPPLE' [patent_app_type] => utility [patent_app_number] => 13/575728 [patent_app_country] => US [patent_app_date] => 2010-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1823 [patent_no_of_claims] => 5 [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] => 13575728 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/575728
Device for connecting a plastic tube to a connection nipple May 31, 2010 Issued
Array ( [id] => 9880922 [patent_doc_number] => 08967674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-03 [patent_title] => 'Rib construction for large diameter pipe fittings' [patent_app_type] => utility [patent_app_number] => 13/375368 [patent_app_country] => US [patent_app_date] => 2010-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4487 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13375368 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/375368
Rib construction for large diameter pipe fittings May 31, 2010 Issued
Array ( [id] => 9374196 [patent_doc_number] => 08678447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-25 [patent_title] => 'Drill pipe system' [patent_app_type] => utility [patent_app_number] => 12/784829 [patent_app_country] => US [patent_app_date] => 2010-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 8855 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 394 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12784829 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/784829
Drill pipe system May 20, 2010 Issued
Array ( [id] => 6558860 [patent_doc_number] => 20100289255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'INSERTABLE TUBE SYSTEM FOR A VACUUM CLEANER' [patent_app_type] => utility [patent_app_number] => 12/780037 [patent_app_country] => US [patent_app_date] => 2010-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5141 [patent_no_of_claims] => 17 [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/A1/0289/20100289255.pdf [firstpage_image] =>[orig_patent_app_number] => 12780037 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/780037
Insertable tube system for a vacuum cleaner May 13, 2010 Issued
Array ( [id] => 6500594 [patent_doc_number] => 20100218837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-02 [patent_title] => 'PIPE UNIT' [patent_app_type] => utility [patent_app_number] => 12/778347 [patent_app_country] => US [patent_app_date] => 2010-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2940 [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] => publications/A1/0218/20100218837.pdf [firstpage_image] =>[orig_patent_app_number] => 12778347 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/778347
PIPE UNIT May 11, 2010 Abandoned
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