
Friedrich Fahnert
Examiner (ID: 2828, Phone: (571)270-7797 , Office: P/2654 )
| Most Active Art Unit | 2654 |
| Art Unit(s) | 2614, 2692, 2654, 2651 |
| Total Applications | 770 |
| Issued Applications | 643 |
| Pending Applications | 41 |
| Abandoned Applications | 106 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18488070
[patent_doc_number] => 20230215416
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-06
[patent_title] => BIQUAD HYBRID ACTIVE NOISE CANCELLATION (ANC) DEVICE AND RELATED CONTROLLER
[patent_app_type] => utility
[patent_app_number] => 17/569469
[patent_app_country] => US
[patent_app_date] => 2022-01-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2339
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => 0
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17569469
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/569469 | BIQUAD HYBRID ACTIVE NOISE CANCELLATION (ANC) DEVICE AND RELATED CONTROLLER | Jan 4, 2022 | Abandoned |
Array
(
[id] => 19654161
[patent_doc_number] => 12175960
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-12-24
[patent_title] => Audio enhanced hearing protection system
[patent_app_type] => utility
[patent_app_number] => 17/563443
[patent_app_country] => US
[patent_app_date] => 2021-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4100
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 139
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563443
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/563443 | Audio enhanced hearing protection system | Dec 27, 2021 | Issued |
Array
(
[id] => 17553101
[patent_doc_number] => 20220124444
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-04-21
[patent_title] => HEARING DEVICE COMPRISING A NOISE REDUCTION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 17/562612
[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] => 16451
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 36
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562612
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/562612 | Hearing device comprising a noise reduction system | Dec 26, 2021 | Issued |
Array
(
[id] => 18549450
[patent_doc_number] => 11722818
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-08-08
[patent_title] => Method and apparatus for recognizing wind noise of earphone, and earphone
[patent_app_type] => utility
[patent_app_number] => 17/645971
[patent_app_country] => US
[patent_app_date] => 2021-12-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 7943
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 318
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17645971
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/645971 | Method and apparatus for recognizing wind noise of earphone, and earphone | Dec 23, 2021 | Issued |
Array
(
[id] => 20442605
[patent_doc_number] => 12513448
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-30
[patent_title] => Audio headset with active noise reduction
[patent_app_type] => utility
[patent_app_number] => 18/268480
[patent_app_country] => US
[patent_app_date] => 2021-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 12
[patent_no_of_words] => 1015
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18268480
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/268480 | Audio headset with active noise reduction | Dec 22, 2021 | Issued |
Array
(
[id] => 17678436
[patent_doc_number] => 20220191603
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-06-16
[patent_title] => HELMET WITH AUDIO SAFETY EAR CUP
[patent_app_type] => utility
[patent_app_number] => 17/546476
[patent_app_country] => US
[patent_app_date] => 2021-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9131
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546476
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/546476 | Helmet with audio safety ear cup | Dec 8, 2021 | Issued |
Array
(
[id] => 18970187
[patent_doc_number] => 20240050279
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-15
[patent_title] => SOUND ATTENUATION RATING SYSTEMS AND METHODS
[patent_app_type] => utility
[patent_app_number] => 18/257901
[patent_app_country] => US
[patent_app_date] => 2021-12-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12902
[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] => 18257901
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/257901 | SOUND ATTENUATION RATING SYSTEMS AND METHODS | Dec 7, 2021 | Pending |
Array
(
[id] => 19939150
[patent_doc_number] => 12311265
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-05-27
[patent_title] => Systems and methods for training a model to determine a type of environment surrounding a user
[patent_app_type] => utility
[patent_app_number] => 17/541549
[patent_app_country] => US
[patent_app_date] => 2021-12-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 16
[patent_no_of_words] => 18254
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 363
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17541549
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/541549 | Systems and methods for training a model to determine a type of environment surrounding a user | Dec 2, 2021 | Issued |
Array
(
[id] => 17522856
[patent_doc_number] => 20220108705
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-04-07
[patent_title] => PACKET LOSS CONCEALMENT FOR DIRAC BASED SPATIAL AUDIO CODING
[patent_app_type] => utility
[patent_app_number] => 17/541161
[patent_app_country] => US
[patent_app_date] => 2021-12-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7186
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 109
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17541161
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/541161 | Packet loss concealment for DirAC based spatial audio coding | Dec 1, 2021 | Issued |
Array
(
[id] => 18409496
[patent_doc_number] => 20230170849
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-01
[patent_title] => AUDIO AMPLIFIER WITH FAST WAKE-UP POWER SUPPLY AND PEAK CURRENT REDUCTION
[patent_app_type] => utility
[patent_app_number] => 17/540082
[patent_app_country] => US
[patent_app_date] => 2021-12-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15341
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 137
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17540082
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/540082 | Audio amplifier with fast wake-up power supply and peak current reduction | Nov 30, 2021 | Issued |
Array
(
[id] => 18205141
[patent_doc_number] => 11587543
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-02-21
[patent_title] => Calibration of active noise-cancelling headphones
[patent_app_type] => utility
[patent_app_number] => 17/454782
[patent_app_country] => US
[patent_app_date] => 2021-11-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 14
[patent_no_of_words] => 5722
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 198
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17454782
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/454782 | Calibration of active noise-cancelling headphones | Nov 11, 2021 | Issued |
Array
(
[id] => 18362062
[patent_doc_number] => 20230143653
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-05-11
[patent_title] => Modular Vehicle Sound System
[patent_app_type] => utility
[patent_app_number] => 17/522049
[patent_app_country] => US
[patent_app_date] => 2021-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6420
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 18
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522049
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/522049 | Modular vehicle sound system | Nov 8, 2021 | Issued |
Array
(
[id] => 18671450
[patent_doc_number] => 11778378
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-10-03
[patent_title] => Volume management in a media playback system
[patent_app_type] => utility
[patent_app_number] => 17/520912
[patent_app_country] => US
[patent_app_date] => 2021-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 14
[patent_no_of_words] => 12133
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 146
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520912
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/520912 | Volume management in a media playback system | Nov 7, 2021 | Issued |
Array
(
[id] => 18432124
[patent_doc_number] => 11677360
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-06-13
[patent_title] => Equalization in a multi-path audio amplifier for canceling variations due to multi-path output impedance differences
[patent_app_type] => utility
[patent_app_number] => 17/521268
[patent_app_country] => US
[patent_app_date] => 2021-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 4219
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521268
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/521268 | Equalization in a multi-path audio amplifier for canceling variations due to multi-path output impedance differences | Nov 7, 2021 | Issued |
Array
(
[id] => 17662285
[patent_doc_number] => 20220182750
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-06-09
[patent_title] => ADJUSTABLE SIDETONE AND ACTIVE NOISE CANCELLATION IN HEADPHONES AND SIMILAR DEVICES
[patent_app_type] => utility
[patent_app_number] => 17/519449
[patent_app_country] => US
[patent_app_date] => 2021-11-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2852
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 137
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17519449
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/519449 | Adjustable sidetone and active noise cancellation in headphones and similar devices | Nov 3, 2021 | Issued |
Array
(
[id] => 18182795
[patent_doc_number] => 20230043525
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-02-09
[patent_title] => WHISTLING SOUND SUPPRESSION METHOD, EARPHONE, AND STORAGE MEDIUM
[patent_app_type] => utility
[patent_app_number] => 17/453130
[patent_app_country] => US
[patent_app_date] => 2021-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9189
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453130
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/453130 | Whistling sound suppression method, earphone, and storage medium | Oct 31, 2021 | Issued |
Array
(
[id] => 17348532
[patent_doc_number] => 20220014863
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-01-13
[patent_title] => AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
[patent_app_type] => utility
[patent_app_number] => 17/485821
[patent_app_country] => US
[patent_app_date] => 2021-09-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6618
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 59
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17485821
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/485821 | Audio content playback method and apparatus for portable terminal | Sep 26, 2021 | Issued |
Array
(
[id] => 18270253
[patent_doc_number] => 20230091495
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-23
[patent_title] => Adaptive Active Noise Cancellation Based On Movement
[patent_app_type] => utility
[patent_app_number] => 17/481933
[patent_app_country] => US
[patent_app_date] => 2021-09-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4863
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17481933
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/481933 | Adaptive active noise cancellation based on movement | Sep 21, 2021 | Issued |
Array
(
[id] => 18041039
[patent_doc_number] => 20220385256
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-12-01
[patent_title] => ELECTRONIC CIRCUIT FOR AMPLIFIERS AND SOUND DEVICES FOR THE TRANSFER OF ELECTRIC POWER BETWEEN CHANNELS
[patent_app_type] => utility
[patent_app_number] => 17/476468
[patent_app_country] => US
[patent_app_date] => 2021-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1345
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -1
[patent_words_short_claim] => 218
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476468
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/476468 | Electronic circuit for amplifiers and sound devices for the transfer of electric power between channels | Sep 14, 2021 | Issued |
Array
(
[id] => 18814397
[patent_doc_number] => 20230388734
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => Spatial Audio Rendering
[patent_app_type] => utility
[patent_app_number] => 18/027728
[patent_app_country] => US
[patent_app_date] => 2021-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15855
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[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] => 18027728
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/027728 | Spatial Audio Rendering | Aug 29, 2021 | Pending |