Search

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 numberTitle of the applicationFiling DateStatus
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
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