Search

David B. Frederiksen

Examiner (ID: 8955, Phone: (571)272-8152 , Office: P/2867 )

Most Active Art Unit
2867
Art Unit(s)
2867, 2858
Total Applications
607
Issued Applications
494
Pending Applications
60
Abandoned Applications
68

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20623318 [patent_doc_number] => 12590821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Signal processing device, rotary measuring device, rotary measuring system, and vehicle [patent_app_type] => utility [patent_app_number] => 18/600293 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5710 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600293
Signal processing device, rotary measuring device, rotary measuring system, and vehicle Mar 7, 2024 Issued
Array ( [id] => 19970740 [patent_doc_number] => 12339344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Metering component testing [patent_app_type] => utility [patent_app_number] => 18/597014 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 2008 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597014 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597014
Metering component testing Mar 5, 2024 Issued
Array ( [id] => 19390510 [patent_doc_number] => 20240280380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => System and method for determining an item count in a rack using magnetic sensors [patent_app_type] => utility [patent_app_number] => 18/589058 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18589058 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589058
System and method for determining an item count in a rack using magnetic sensors Feb 26, 2024 Issued
Array ( [id] => 19234835 [patent_doc_number] => 20240192029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => MAGNETIC SENSOR [patent_app_type] => utility [patent_app_number] => 18/585959 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585959
Magnetic sensor with an elongated element Feb 22, 2024 Issued
Array ( [id] => 20688738 [patent_doc_number] => 12618882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Communication apparatus, smart meter, and secondary battery [patent_app_type] => utility [patent_app_number] => 18/584052 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18584052 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584052
Communication apparatus, smart meter, and secondary battery Feb 21, 2024 Issued
Array ( [id] => 20179213 [patent_doc_number] => 20250263171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => INTEGRATION OF AN ICE PROTECTION SYSTEM AND AN ICE DETECTOR INTO A SINGLE LINE REPLACEABLE UNIT [patent_app_type] => utility [patent_app_number] => 18/444655 [patent_app_country] => US [patent_app_date] => 2024-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18444655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444655
INTEGRATION OF AN ICE PROTECTION SYSTEM AND AN ICE DETECTOR INTO A SINGLE LINE REPLACEABLE UNIT Feb 16, 2024 Pending
Array ( [id] => 19218989 [patent_doc_number] => 20240183693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => MODULAR AMI/AMR IN-GROUND METER BOX [patent_app_type] => utility [patent_app_number] => 18/443856 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443856
MODULAR AMI/AMR IN-GROUND METER BOX Feb 15, 2024 Pending
Array ( [id] => 19716847 [patent_doc_number] => 12202369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Integrated meter in an electric vehicle supply equipment (EVSE) [patent_app_type] => utility [patent_app_number] => 18/443198 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 6760 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443198
Integrated meter in an electric vehicle supply equipment (EVSE) Feb 14, 2024 Issued
Array ( [id] => 20303294 [patent_doc_number] => 12449279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Dynamic resolution sensor [patent_app_type] => utility [patent_app_number] => 18/435241 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 3291 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435241
Dynamic resolution sensor Feb 6, 2024 Issued
Array ( [id] => 19361900 [patent_doc_number] => 20240263934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => ROTARY ENCODER, ROTARY ENCODER SYSTEM, AND ROTATION ANGLE DETECTION METHOD USING ROTARY ENCODER [patent_app_type] => utility [patent_app_number] => 18/431600 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18431600 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431600
Rotary encoder, rotary encoder system, and rotation angle detection method using rotary encoder Feb 1, 2024 Issued
Array ( [id] => 20122653 [patent_doc_number] => 20250237684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => UTILITY METER SOCKET INTRUSION DETECTION (SYSTEMS AND METHODS) [patent_app_type] => utility [patent_app_number] => 18/416214 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416214
UTILITY METER SOCKET INTRUSION DETECTION (SYSTEMS AND METHODS) Jan 17, 2024 Pending
Array ( [id] => 19173597 [patent_doc_number] => 20240159571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => POSITION DETECTION DEVICE AND IMAGING DEVICE [patent_app_type] => utility [patent_app_number] => 18/404360 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7468 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18404360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404360
Position detection device and imaging device Jan 3, 2024 Issued
Array ( [id] => 19949319 [patent_doc_number] => 12320679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Sensor assembly for a rotary sensor [patent_app_type] => utility [patent_app_number] => 18/399403 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 1200 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18399403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/399403
Sensor assembly for a rotary sensor Dec 27, 2023 Issued
Array ( [id] => 20403114 [patent_doc_number] => 12493087 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Vertical cavity surface-emitting laser threshold magnetometer [patent_app_type] => utility [patent_app_number] => 18/391111 [patent_app_country] => US [patent_app_date] => 2023-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3504 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18391111 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391111
Vertical cavity surface-emitting laser threshold magnetometer Dec 19, 2023 Issued
Array ( [id] => 19794164 [patent_doc_number] => 12235103 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Systems and methods for identifying misaligned wheeled irrigation towers [patent_app_type] => utility [patent_app_number] => 18/543518 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10116 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543518
Systems and methods for identifying misaligned wheeled irrigation towers Dec 17, 2023 Issued
Array ( [id] => 20214542 [patent_doc_number] => 12411188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Signal processing circuit for tunneling magnetoresistance sensor [patent_app_type] => utility [patent_app_number] => 18/540872 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1703 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18540872 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/540872
Signal processing circuit for tunneling magnetoresistance sensor Dec 14, 2023 Issued
Array ( [id] => 20594788 [patent_doc_number] => 12578497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Resistivity imaging using EM propagation measurements [patent_app_type] => utility [patent_app_number] => 18/539602 [patent_app_country] => US [patent_app_date] => 2023-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 2475 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18539602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539602
Resistivity imaging using EM propagation measurements Dec 13, 2023 Issued
Array ( [id] => 20303504 [patent_doc_number] => 12449489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Three-axis Hall angle sensor with accuracy of 0.3deg [patent_app_type] => utility [patent_app_number] => 18/527347 [patent_app_country] => US [patent_app_date] => 2023-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1702 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 772 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527347 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527347
Three-axis Hall angle sensor with accuracy of 0.3deg Dec 2, 2023 Issued
Array ( [id] => 19035400 [patent_doc_number] => 20240085215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Magnetic Rack and Pinion Linear Magnetic Encoder and Position Sensing System [patent_app_type] => utility [patent_app_number] => 18/508413 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18508413 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508413
Magnetic Rack and Pinion Linear Magnetic Encoder and Position Sensing System Nov 13, 2023 Pending
Array ( [id] => 20017041 [patent_doc_number] => 20250155263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => ABSOLUTE POSITION SENSOR [patent_app_type] => utility [patent_app_number] => 18/507200 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507200
ABSOLUTE POSITION SENSOR Nov 12, 2023 Pending
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