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] => 16855756 [patent_doc_number] => 20210156501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => HOSE CONNECTOR [patent_app_type] => utility [patent_app_number] => 17/102794 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17102794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/102794
HOSE CONNECTOR Nov 23, 2020 Pending
Array ( [id] => 18078246 [patent_doc_number] => 20220403858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => Integrated multi-connection hydraulic group [patent_app_type] => utility [patent_app_number] => 17/774471 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17774471 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/774471
Integrated multi-connection hydraulic group Nov 3, 2020 Pending
Array ( [id] => 16793729 [patent_doc_number] => 20210123546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => Air Hose Arrangement And Method For Supplying Pressurized Air To A Movable Hoist [patent_app_type] => utility [patent_app_number] => 17/079996 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17079996 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/079996
Air Hose Arrangement And Method For Supplying Pressurized Air To A Movable Hoist Oct 25, 2020 Abandoned
Array ( [id] => 17998559 [patent_doc_number] => 11499660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Hose connecting device [patent_app_type] => utility [patent_app_number] => 17/061458 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 2051 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061458
Hose connecting device Sep 30, 2020 Issued
Array ( [id] => 17506126 [patent_doc_number] => 20220099229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => PIPE LINER END TERMINATION [patent_app_type] => utility [patent_app_number] => 17/034969 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17034969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/034969
Pipe liner end termination Sep 27, 2020 Issued
Array ( [id] => 17483212 [patent_doc_number] => 20220090716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => SHAPE MEMORY HOSE CONNECTOR [patent_app_type] => utility [patent_app_number] => 17/025138 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17025138 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/025138
Shape memory hose connector Sep 17, 2020 Issued
Array ( [id] => 18246061 [patent_doc_number] => 11602624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Lockable quick coupling [patent_app_type] => utility [patent_app_number] => 17/022799 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3081 [patent_no_of_claims] => 8 [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] => 17022799 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022799
Lockable quick coupling Sep 15, 2020 Issued
Array ( [id] => 17474684 [patent_doc_number] => 20220082188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => PIPE COUPLING ASSEMBLY AND METHOD [patent_app_type] => utility [patent_app_number] => 17/018246 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018246 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018246
Pipe coupling assembly and method Sep 10, 2020 Issued
Array ( [id] => 17838589 [patent_doc_number] => 20220275894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => PLUG CONNECTOR FOR CONNECTING LINES FOR LIQUID OR GASEOUS MEDIA [patent_app_type] => utility [patent_app_number] => 17/633041 [patent_app_country] => US [patent_app_date] => 2020-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17633041 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/633041
PLUG CONNECTOR FOR CONNECTING LINES FOR LIQUID OR GASEOUS MEDIA Aug 31, 2020 Pending
Array ( [id] => 17400540 [patent_doc_number] => 20220042630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => COUPLING DEVICE [patent_app_type] => utility [patent_app_number] => 16/986028 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16986028 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/986028
Coupling device Aug 4, 2020 Issued
Array ( [id] => 17838587 [patent_doc_number] => 20220275892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => CONNECTOR FOR FLEXIBLE TUBING [patent_app_type] => utility [patent_app_number] => 17/628518 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17628518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628518
CONNECTOR FOR FLEXIBLE TUBING Aug 4, 2020 Pending
Array ( [id] => 19044350 [patent_doc_number] => 11933443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Penetration fitting having compression seals and methods of installing and using the same [patent_app_type] => utility [patent_app_number] => 16/983822 [patent_app_country] => US [patent_app_date] => 2020-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 93 [patent_no_of_words] => 24460 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16983822 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/983822
Penetration fitting having compression seals and methods of installing and using the same Aug 2, 2020 Issued
Array ( [id] => 16728647 [patent_doc_number] => 20210095794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => PENETRATION FITTING HAVING COMPRESSION SEALS AND METHODS OF INSTALLING AND USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/983825 [patent_app_country] => US [patent_app_date] => 2020-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16983825 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/983825
Penetration fitting having compression seals and methods of installing and using the same Aug 2, 2020 Issued
Array ( [id] => 18153771 [patent_doc_number] => 11566740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Low profile elbow [patent_app_type] => utility [patent_app_number] => 16/983331 [patent_app_country] => US [patent_app_date] => 2020-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2950 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16983331 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/983331
Low profile elbow Aug 2, 2020 Issued
Array ( [id] => 16422887 [patent_doc_number] => 20200348085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => ROUND METAL PIPE, HEAT EXCHANGER PROVIDED WITH SAME, PIPE BENDER, AND METHOD FOR BEND-PROCESSING ROUND METAL PIPE [patent_app_type] => utility [patent_app_number] => 16/933732 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16933732 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/933732
ROUND METAL PIPE, HEAT EXCHANGER PROVIDED WITH SAME, PIPE BENDER, AND METHOD FOR BEND-PROCESSING ROUND METAL PIPE Jul 19, 2020 Abandoned
Array ( [id] => 19474641 [patent_doc_number] => 12104720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Torque shoulder of a premium connection [patent_app_type] => utility [patent_app_number] => 16/931465 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 5501 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16931465 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/931465
Torque shoulder of a premium connection Jul 16, 2020 Issued
Array ( [id] => 17838591 [patent_doc_number] => 20220275896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => JOINED BODY AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 17/597696 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17597696 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/597696
Joined body and method for producing same Jul 15, 2020 Issued
Array ( [id] => 17838590 [patent_doc_number] => 20220275895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => COMPACT AND DEMOUNTABLE FLUID CONNECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/627588 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627588 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627588
Compact and demountable fluid connection device Jul 9, 2020 Issued
Array ( [id] => 19505784 [patent_doc_number] => 12117199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Method of forming a duct with paint sealant [patent_app_type] => utility [patent_app_number] => 16/914689 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3709 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16914689 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/914689
Method of forming a duct with paint sealant Jun 28, 2020 Issued
Array ( [id] => 17259554 [patent_doc_number] => 20210372539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => VACUUM ADAPTER APPARATUS, SYSTEMS, AND RELATED METHODS FOR USE WITH INFLATABLE STRUCTURES HAVING RELIEF VALVES [patent_app_type] => utility [patent_app_number] => 16/890667 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16890667 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/890667
VACUUM ADAPTER APPARATUS, SYSTEMS, AND RELATED METHODS FOR USE WITH INFLATABLE STRUCTURES HAVING RELIEF VALVES Jun 1, 2020 Abandoned
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