Search

Joseph Chang

Examiner (ID: 14238, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2817, 2842, 2849
Total Applications
2166
Issued Applications
1914
Pending Applications
115
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18875368 [patent_doc_number] => 11863194 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Phononic comb enhanced atomic clock [patent_app_type] => utility [patent_app_number] => 17/567034 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5862 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567034 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567034
Phononic comb enhanced atomic clock Dec 30, 2021 Issued
Array ( [id] => 17552263 [patent_doc_number] => 20220123606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => Power Transfer System With Patient Transport Apparatus And Power Transfer Device To Transfer Power To The Patient Transport Apparatus [patent_app_type] => utility [patent_app_number] => 17/562269 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562269 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562269
Power transfer system with patient transport apparatus and power transfer device to transfer power to the patient transport apparatus Dec 26, 2021 Issued
Array ( [id] => 18453347 [patent_doc_number] => 20230194627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRICAL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/557569 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557569 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557569
Electrical assembly Dec 20, 2021 Issued
Array ( [id] => 19184305 [patent_doc_number] => 11990914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Phase lock loop reference loss detection [patent_app_type] => utility [patent_app_number] => 17/550123 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6644 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550123
Phase lock loop reference loss detection Dec 13, 2021 Issued
Array ( [id] => 19008657 [patent_doc_number] => 20240072728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => OSCILLATOR CIRCUIT ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/257051 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18257051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257051
Oscillator circuit arrangement Dec 13, 2021 Issued
Array ( [id] => 18441886 [patent_doc_number] => 20230189182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => OPPORTUNISTIC CALIBRATION OF A CLOCK [patent_app_type] => utility [patent_app_number] => 17/549042 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549042
Opportunistic calibration of a clock Dec 12, 2021 Issued
Array ( [id] => 18441886 [patent_doc_number] => 20230189182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => OPPORTUNISTIC CALIBRATION OF A CLOCK [patent_app_type] => utility [patent_app_number] => 17/549042 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549042
Opportunistic calibration of a clock Dec 12, 2021 Issued
Array ( [id] => 18464856 [patent_doc_number] => 11689156 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-27 [patent_title] => Voltage-controlled oscillator and method for using the same [patent_app_type] => utility [patent_app_number] => 17/643068 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10324 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643068
Voltage-controlled oscillator and method for using the same Dec 6, 2021 Issued
Array ( [id] => 17486799 [patent_doc_number] => 20220094303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => NANOMECHANICAL NETWORKS FOR COMPUTATION [patent_app_type] => utility [patent_app_number] => 17/543424 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17543424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/543424
Nanomechanical networks for computation Dec 5, 2021 Issued
Array ( [id] => 19582944 [patent_doc_number] => 12149076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Energy supply device and construction machine [patent_app_type] => utility [patent_app_number] => 18/265859 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2062 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18265859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/265859
Energy supply device and construction machine Dec 5, 2021 Issued
Array ( [id] => 17486708 [patent_doc_number] => 20220094212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => POWER TRANSMISSION APPARATUS, POWER RECEPTION APPARATUS, AND POWER TRANSMISSION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/538104 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17538104 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/538104
Power transmission apparatus, power reception apparatus, and power transmission control method Nov 29, 2021 Issued
Array ( [id] => 19796706 [patent_doc_number] => 12237684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Method for dynamic clustering of electrical installations, in particular for rendering ancillary services [patent_app_type] => utility [patent_app_number] => 17/538111 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3915 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17538111 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/538111
Method for dynamic clustering of electrical installations, in particular for rendering ancillary services Nov 29, 2021 Issued
Array ( [id] => 17739342 [patent_doc_number] => 20220224804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => CLOCK GENERATOR DEVICE, IMAGE PROCESSING CHIP, AND CLOCK SIGNAL CALIBRATION METHOD [patent_app_type] => utility [patent_app_number] => 17/533144 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17533144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/533144
Clock generator device, image processing chip, and clock signal calibration method Nov 22, 2021 Issued
Array ( [id] => 19597410 [patent_doc_number] => 12155265 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Uninterruptible power supply [patent_app_type] => utility [patent_app_number] => 18/259822 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 12574 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18259822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/259822
Uninterruptible power supply Nov 21, 2021 Issued
Array ( [id] => 17856043 [patent_doc_number] => 20220286086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => TAPPED INDUCTOR VOLTAGE CONTROLLED OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/526997 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17526997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/526997
Tapped inductor voltage controlled oscillator Nov 14, 2021 Issued
Array ( [id] => 18209332 [patent_doc_number] => 20230055592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => DIRECT CURRENT DISTRIBUTION BASED CHARGING/DISCHARGING SYSTEM FOR BATTERY FORMATION [patent_app_type] => utility [patent_app_number] => 17/795375 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17795375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/795375
Direct current distribution based charging/discharging system for battery formation Nov 10, 2021 Issued
Array ( [id] => 19705520 [patent_doc_number] => 12199569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Oscillator and signal processing apparatus [patent_app_type] => utility [patent_app_number] => 18/252383 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 15510 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18252383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252383
Oscillator and signal processing apparatus Nov 9, 2021 Issued
Array ( [id] => 19079991 [patent_doc_number] => 11949376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Temperature compensated voltage-controlled oscillator [patent_app_type] => utility [patent_app_number] => 17/521939 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2567 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521939 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521939
Temperature compensated voltage-controlled oscillator Nov 8, 2021 Issued
Array ( [id] => 17510022 [patent_doc_number] => 20220103126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => APPARATUS FOR INJECTING ENERGY INTO CRYSTAL IN CRYSTAL OSCILLATOR, AND CRYSTAL OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/510081 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510081
Apparatus for injecting energy into crystal in crystal oscillator, and crystal oscillator Oct 24, 2021 Issued
Array ( [id] => 17689932 [patent_doc_number] => 20220197225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Polariton-Stabilized Solid-State Spin Clock [patent_app_type] => utility [patent_app_number] => 17/504238 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17504238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/504238
Polariton-stabilized solid-state spin clock Oct 17, 2021 Issued
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