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Derek S. Chapel

Examiner (ID: 12131, Phone: (571)272-8042 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872
Total Applications
1323
Issued Applications
895
Pending Applications
80
Abandoned Applications
365

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20358470 [patent_doc_number] => 12474462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Integrated wideband stepped-chirp radar sensor [patent_app_type] => utility [patent_app_number] => 17/856005 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 29 [patent_no_of_words] => 1992 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856005
Integrated wideband stepped-chirp radar sensor Jun 30, 2022 Issued
Array ( [id] => 18787367 [patent_doc_number] => 20230375664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ADAPTIVE RADAR CLUTTER REMOVAL [patent_app_type] => utility [patent_app_number] => 17/855467 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855467 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855467
ADAPTIVE RADAR CLUTTER REMOVAL Jun 29, 2022 Pending
Array ( [id] => 20772816 [patent_doc_number] => 12656483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Signal modeling for unambiguous range rate estimation [patent_app_type] => utility [patent_app_number] => 17/809459 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7434 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809459
Signal modeling for unambiguous range rate estimation Jun 27, 2022 Issued
Array ( [id] => 18613737 [patent_doc_number] => 20230280473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => REALTIME GRAPHICAL USER INTERFACE ILLUSTRATING GLOBAL NAVIGATION SATELLITE SYSTEM ACQUISITION [patent_app_type] => utility [patent_app_number] => 17/849528 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849528
Realtime graphical user interface illustrating global navigation satellite system acquisition Jun 23, 2022 Issued
Array ( [id] => 18122477 [patent_doc_number] => 20230008080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => RADAR SYSTEM FOR SURROUNDINGS DETECTION OF A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 17/846121 [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] => 1846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17846121 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846121
RADAR SYSTEM FOR SURROUNDINGS DETECTION OF A MOTOR VEHICLE Jun 21, 2022 Pending
Array ( [id] => 20242224 [patent_doc_number] => 12422539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Position management server, radio communication system, control circuit, storage medium, and mobile object position managing method [patent_app_type] => utility [patent_app_number] => 17/834467 [patent_app_country] => US [patent_app_date] => 2022-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 4624 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17834467 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/834467
Position management server, radio communication system, control circuit, storage medium, and mobile object position managing method Jun 6, 2022 Issued
Array ( [id] => 18069358 [patent_doc_number] => 20220400446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => POWER EFFICIENT RADAR OPERATION FOR MAXIMUM PERMISSIBLE EXPOSURE COMPLIANCE AND UPLINK POWER REDUCTION REPORTING [patent_app_type] => utility [patent_app_number] => 17/804977 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17804977 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/804977
Power efficient radar operation for maximum permissible exposure compliance and uplink power reduction reporting May 31, 2022 Issued
Array ( [id] => 17868593 [patent_doc_number] => 20220291329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => METHOD FOR IDENTIFYING INTERFERENCE IN A RADAR SYSTEM [patent_app_type] => utility [patent_app_number] => 17/827153 [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] => 5108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827153 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827153
Method for identifying interference in a radar system May 26, 2022 Issued
Array ( [id] => 20146245 [patent_doc_number] => 12380589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Method and apparatus to evaluate radar images and radar device [patent_app_type] => utility [patent_app_number] => 17/827340 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827340 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827340
Method and apparatus to evaluate radar images and radar device May 26, 2022 Issued
Array ( [id] => 20055426 [patent_doc_number] => 20250193648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => INTERFERENCE MEASUREMENT AND UPLINK POWER CONTROL ENHANCEMENTS FOR EMERGENCY MESSAGE RELAYING [patent_app_type] => utility [patent_app_number] => 18/840017 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18840017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/840017
INTERFERENCE MEASUREMENT AND UPLINK POWER CONTROL ENHANCEMENTS FOR EMERGENCY MESSAGE RELAYING Apr 27, 2022 Pending
Array ( [id] => 18348826 [patent_doc_number] => 20230136937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => DATA PRE-PROCESSING METHOD AND EXERCISE VITAL SIGN DETECTION RADAR [patent_app_type] => utility [patent_app_number] => 17/678492 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678492 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678492
Data pre-processing method and exercise vital sign detection radar Feb 22, 2022 Issued
Array ( [id] => 19437625 [patent_doc_number] => 20240306123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => POSITIONING METHOD AND DEVICE [patent_app_type] => utility [patent_app_number] => 18/261962 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18261962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261962
POSITIONING METHOD AND DEVICE Jan 5, 2022 Abandoned
Array ( [id] => 17549544 [patent_doc_number] => 20220120885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => ELECTRONIC DEVICE FOR RECOGNIZING OBJECT, AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/565735 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565735
ELECTRONIC DEVICE FOR RECOGNIZING OBJECT, AND OPERATING METHOD THEREOF Dec 29, 2021 Abandoned
Array ( [id] => 19714210 [patent_doc_number] => 20250024352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => INFORMATION PROCESSING METHOD AND APPARATUS, COMMUNICATION DEVICE, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/715411 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18715411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/715411
INFORMATION PROCESSING METHOD AND APPARATUS, COMMUNICATION DEVICE, AND STORAGE MEDIUM Dec 2, 2021 Pending
Array ( [id] => 17387144 [patent_doc_number] => 20220034996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => PIPELINED FFT WITH LOCALIZED TWIDDLE [patent_app_type] => utility [patent_app_number] => 17/393262 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17393262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/393262
PIPELINED FFT WITH LOCALIZED TWIDDLE Aug 2, 2021 Pending
Array ( [id] => 20646894 [patent_doc_number] => 12601835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Radar detection system for a vehicle [patent_app_type] => utility [patent_app_number] => 18/000831 [patent_app_country] => US [patent_app_date] => 2021-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18000831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/000831
Radar detection system for a vehicle May 30, 2021 Issued
Array ( [id] => 17371508 [patent_doc_number] => 20220026560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => MILLIMETER WAVE ADVANCED THREAT DETECTION SYSTEM NETWORK [patent_app_type] => utility [patent_app_number] => 17/320001 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17320001 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/320001
MILLIMETER WAVE ADVANCED THREAT DETECTION SYSTEM NETWORK May 12, 2021 Abandoned
Array ( [id] => 18531214 [patent_doc_number] => 20230236285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => A RADAR SYSTEM HAVING A PHOTONICS-BASED SIGNAL GENERATOR [patent_app_type] => utility [patent_app_number] => 17/997602 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17997602 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997602
A RADAR SYSTEM HAVING A PHOTONICS-BASED SIGNAL GENERATOR Apr 29, 2021 Pending
Array ( [id] => 20439792 [patent_doc_number] => 12510626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Ground penetrating radar apparatus and method [patent_app_type] => utility [patent_app_number] => 17/802960 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 26 [patent_no_of_words] => 6097 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802960 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802960
Ground penetrating radar apparatus and method Feb 28, 2021 Issued
Array ( [id] => 18350520 [patent_doc_number] => 20230138631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => RADAR DEVICE [patent_app_type] => utility [patent_app_number] => 17/915556 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17915556 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/915556
RADAR DEVICE Jan 18, 2021 Abandoned
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