Search

Daniel D Chang

Examiner (ID: 5676, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2819, 2844, 0
Total Applications
2435
Issued Applications
2199
Pending Applications
93
Abandoned Applications
142

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19181731 [patent_doc_number] => 11988315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Rapid-connect coupler and receptacle having anti-rotation feature [patent_app_type] => utility [patent_app_number] => 17/823633 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7195 [patent_no_of_claims] => 20 [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] => 17823633 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/823633
Rapid-connect coupler and receptacle having anti-rotation feature Aug 30, 2022 Issued
Array ( [id] => 18385130 [patent_doc_number] => 11655904 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-05-23 [patent_title] => Valve control system [patent_app_type] => utility [patent_app_number] => 17/898609 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 46 [patent_no_of_words] => 30596 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 703 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898609 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898609
Valve control system Aug 29, 2022 Issued
Array ( [id] => 19273597 [patent_doc_number] => 12023705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Vee manifold [patent_app_type] => utility [patent_app_number] => 17/898840 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 5527 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898840
Vee manifold Aug 29, 2022 Issued
Array ( [id] => 18946818 [patent_doc_number] => 11890090 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-06 [patent_title] => Rotary valve assemblies and methods of use for breath sample cartridge systems [patent_app_type] => utility [patent_app_number] => 17/895409 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 4233 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17895409 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/895409
Rotary valve assemblies and methods of use for breath sample cartridge systems Aug 24, 2022 Issued
Array ( [id] => 19354797 [patent_doc_number] => 12055230 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Translating cavity valve [patent_app_type] => utility [patent_app_number] => 17/889997 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4154 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889997
Translating cavity valve Aug 16, 2022 Issued
Array ( [id] => 18058932 [patent_doc_number] => 20220390018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => OVERPRESSURE PROTECTION VALVE [patent_app_type] => utility [patent_app_number] => 17/889586 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889586
OVERPRESSURE PROTECTION VALVE Aug 16, 2022 Pending
Array ( [id] => 19226239 [patent_doc_number] => 12005872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Combined dirt collector and cutout cock having controlled venting [patent_app_type] => utility [patent_app_number] => 17/883012 [patent_app_country] => US [patent_app_date] => 2022-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 3848 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17883012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/883012
Combined dirt collector and cutout cock having controlled venting Aug 7, 2022 Issued
Array ( [id] => 18239279 [patent_doc_number] => 20230071590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => FLUID CONNECTOR WITH DRY BREAK [patent_app_type] => utility [patent_app_number] => 17/874558 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17874558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/874558
Fluid connector with dry break Jul 26, 2022 Issued
Array ( [id] => 18643880 [patent_doc_number] => 11767942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Male fluid connection element and fluid connection comprising such a male element [patent_app_type] => utility [patent_app_number] => 17/873695 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 15546 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 17873695 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873695
Male fluid connection element and fluid connection comprising such a male element Jul 25, 2022 Issued
Array ( [id] => 19044319 [patent_doc_number] => 11933412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Actuating assembly for an internal valve [patent_app_type] => utility [patent_app_number] => 17/812654 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 27 [patent_no_of_words] => 10825 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17812654 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/812654
Actuating assembly for an internal valve Jul 13, 2022 Issued
Array ( [id] => 17960962 [patent_doc_number] => 20220341542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => Valve Control and/or Lubrication System [patent_app_type] => utility [patent_app_number] => 17/860179 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17860179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860179
Valve control and/or lubrication system Jul 7, 2022 Issued
Array ( [id] => 19339787 [patent_doc_number] => 12049969 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Fluidic connection device and non-return insert valve for vehicles [patent_app_type] => utility [patent_app_number] => 17/808523 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 7310 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808523 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808523
Fluidic connection device and non-return insert valve for vehicles Jun 22, 2022 Issued
Array ( [id] => 18764822 [patent_doc_number] => 11815214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Blind mate fluid coupling with misalignment compensation [patent_app_type] => utility [patent_app_number] => 17/847950 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 9555 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17847950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847950
Blind mate fluid coupling with misalignment compensation Jun 22, 2022 Issued
Array ( [id] => 18094139 [patent_doc_number] => 20220412480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => ELECTROMAGNETIC VALVE MANIFOLD [patent_app_type] => utility [patent_app_number] => 17/846382 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 444 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17846382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846382
Electromagnetic valve manifold Jun 21, 2022 Issued
Array ( [id] => 18078355 [patent_doc_number] => 20220403967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => ASEPTIC FLUID COUPLINGS [patent_app_type] => utility [patent_app_number] => 17/838357 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838357 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838357
Aseptic fluid couplings Jun 12, 2022 Issued
Array ( [id] => 18503013 [patent_doc_number] => 11700802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => System, method and apparatus for irrigation control and data management [patent_app_type] => utility [patent_app_number] => 17/836043 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3683 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 471 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17836043 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836043
System, method and apparatus for irrigation control and data management Jun 8, 2022 Issued
Array ( [id] => 18055457 [patent_doc_number] => 20220386543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => CONTROLLED IRRIGATION PROCESS AND SYSTEM FOR LAND APPLICATION OF WASTEWATER [patent_app_type] => utility [patent_app_number] => 17/831687 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17831687 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831687
Controlled irrigation process and system for land application of wastewater Jun 2, 2022 Issued
Array ( [id] => 18094156 [patent_doc_number] => 20220412497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => CLAMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/831909 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17831909 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831909
CLAMP ASSEMBLY Jun 2, 2022 Pending
Array ( [id] => 17867680 [patent_doc_number] => 20220290416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => HYDRANT MONITORING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/828998 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17828998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/828998
Hydrant monitoring system May 30, 2022 Issued
Array ( [id] => 18037169 [patent_doc_number] => 20220381384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ASEPTIC COUPLING ASSEMBLY AND METHOD OF ASEPTIC COUPLING [patent_app_type] => utility [patent_app_number] => 17/827423 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827423
Aseptic coupling assembly and method of aseptic coupling May 26, 2022 Issued
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