Search

Frank A. Chernow

Examiner (ID: 19093, Phone: (571)270-7962 , Office: P/1729 )

Most Active Art Unit
1729
Art Unit(s)
1729
Total Applications
411
Issued Applications
260
Pending Applications
2
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20624738 [patent_doc_number] => 12592250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Suspension flexure forming for gimbaling clearance [patent_app_type] => utility [patent_app_number] => 18/419494 [patent_app_country] => US [patent_app_date] => 2024-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 881 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18419494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/419494
Suspension flexure forming for gimbaling clearance Jan 21, 2024 Issued
Array ( [id] => 19348867 [patent_doc_number] => 20240257831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SPINDLE MOTOR [patent_app_type] => utility [patent_app_number] => 18/415795 [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] => 5459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415795
Spindle motor Jan 17, 2024 Issued
Array ( [id] => 20332550 [patent_doc_number] => 12462834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Magnetic head and magnetic recording device [patent_app_type] => utility [patent_app_number] => 18/416106 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 2958 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416106
Magnetic head and magnetic recording device Jan 17, 2024 Issued
Array ( [id] => 19820659 [patent_doc_number] => 20250078866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => SUSPENSION ASSEMBLY AND DISK DRIVE [patent_app_type] => utility [patent_app_number] => 18/413971 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18413971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413971
Suspension assembly and disk drive Jan 15, 2024 Issued
Array ( [id] => 20243912 [patent_doc_number] => 12424242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Magnetic head and magnetic recording device [patent_app_type] => utility [patent_app_number] => 18/410791 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 8426 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410791 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410791
Magnetic head and magnetic recording device Jan 10, 2024 Issued
Array ( [id] => 19145950 [patent_doc_number] => 20240144964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Magnetic Recording Head With Assisting Electric Current In Trailing Shield [patent_app_type] => utility [patent_app_number] => 18/408014 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408014 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408014
Magnetic recording head with assisting electric current in trailing shield Jan 8, 2024 Issued
Array ( [id] => 20375146 [patent_doc_number] => 12482588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Nitrogen doped oxides for lower bandgap [patent_app_type] => utility [patent_app_number] => 18/407553 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 1184 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407553 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407553
Nitrogen doped oxides for lower bandgap Jan 8, 2024 Issued
Array ( [id] => 20332558 [patent_doc_number] => 12462842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Hard disk drive having a motor assembly with a rotational balancing spring pin [patent_app_type] => utility [patent_app_number] => 18/407706 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [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] => 18407706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407706
Hard disk drive having a motor assembly with a rotational balancing spring pin Jan 8, 2024 Issued
Array ( [id] => 19160827 [patent_doc_number] => 20240153534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => HEAD DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 18/406387 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406387 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406387
HEAD DRIVING DEVICE Jan 7, 2024 Pending
Array ( [id] => 20096068 [patent_doc_number] => 20250226004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => Tape Head Module Having a Congruent Extension and Method for Mass Producing Same [patent_app_type] => utility [patent_app_number] => 18/404216 [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] => 2171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18404216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404216
Tape Head Module Having a Congruent Extension and Method for Mass Producing Same Jan 3, 2024 Pending
Array ( [id] => 19116102 [patent_doc_number] => 20240127852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => DISK DEVICE [patent_app_type] => utility [patent_app_number] => 18/392972 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18392972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/392972
Disk device Dec 20, 2023 Issued
Array ( [id] => 19828556 [patent_doc_number] => 12249347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Clamp member and hard disk drive device [patent_app_type] => utility [patent_app_number] => 18/544719 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6353 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18544719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/544719
Clamp member and hard disk drive device Dec 18, 2023 Issued
Array ( [id] => 19252453 [patent_doc_number] => 20240203450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => DISK DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 18/533107 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18533107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533107
Disk driving device for preventing pivot post from dropping from base plate Dec 6, 2023 Issued
Array ( [id] => 20439778 [patent_doc_number] => 12510612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Current sensor for printed circuit board [patent_app_type] => utility [patent_app_number] => 18/523657 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [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] => 18523657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523657
Current sensor for printed circuit board Nov 28, 2023 Issued
Array ( [id] => 19054382 [patent_doc_number] => 20240096351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SERVO PATTERN RECORDING DEVICE, MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, MAGNETIC TAPE DRIVE, MAGNETIC TAPE SYSTEM, DETECTION DEVICE, SERVO PATTERN RECORDING METHOD, AND MANUFACTURING METHOD OF MAGNETIC TAPE [patent_app_type] => utility [patent_app_number] => 18/521162 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521162 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521162
Servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, detection device, servo pattern recording method, and manufacturing method of magnetic tape Nov 27, 2023 Issued
Array ( [id] => 20146577 [patent_doc_number] => 12380923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Magnetic recording head with a cross-track current flow in a low resistance path [patent_app_type] => utility [patent_app_number] => 18/511235 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 3408 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511235
Magnetic recording head with a cross-track current flow in a low resistance path Nov 15, 2023 Issued
Array ( [id] => 19191105 [patent_doc_number] => 20240170018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => BASE PLATE AND DISK DRIVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/509213 [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] => 7887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509213 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509213
Base plate and disk drive device Nov 13, 2023 Issued
Array ( [id] => 20229127 [patent_doc_number] => 12417781 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Magnetically stabilized pivotable tonearm [patent_app_type] => utility [patent_app_number] => 18/385948 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385948
Magnetically stabilized pivotable tonearm Oct 31, 2023 Issued
Array ( [id] => 20305162 [patent_doc_number] => 12451158 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Head gimbal assembly height determination with charge-to-voltage converter [patent_app_type] => utility [patent_app_number] => 18/499119 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499119
Head gimbal assembly height determination with charge-to-voltage converter Oct 30, 2023 Issued
Array ( [id] => 19145944 [patent_doc_number] => 20240144958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => DYNAMICALLY ADJUSTABLE AZIMUTH CONTROL FOR A PHONOGRAPH TONEARM [patent_app_type] => utility [patent_app_number] => 18/384418 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18384418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/384418
Dynamically adjustable azimuth control for a phonograph tonearm Oct 26, 2023 Issued
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