
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |