Search

David H Malzahn

Examiner (ID: 9212, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2787, 2124, 2301, 2182, 2302, 2306, 2307, 2121, 2193, 2183, 2786
Total Applications
3174
Issued Applications
2742
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5656326 [patent_doc_number] => 20060142062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-29 [patent_title] => 'Communication device for connection to an external acoustic transducer' [patent_app_type] => utility [patent_app_number] => 11/363776 [patent_app_country] => US [patent_app_date] => 2006-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2349 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20060142062.pdf [firstpage_image] =>[orig_patent_app_number] => 11363776 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/363776
Communication device for connection to an external acoustic transducer Feb 27, 2006 Abandoned
Array ( [id] => 5218908 [patent_doc_number] => 20070160219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Decoding of binaural audio signals' [patent_app_type] => utility [patent_app_number] => 11/354211 [patent_app_country] => US [patent_app_date] => 2006-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7159 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20070160219.pdf [firstpage_image] =>[orig_patent_app_number] => 11354211 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/354211
Decoding of binaural audio signals Feb 12, 2006 Abandoned
Array ( [id] => 5672816 [patent_doc_number] => 20060178171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-10 [patent_title] => 'Audio/charging module and electronic system and porable electronic device thereof' [patent_app_type] => utility [patent_app_number] => 11/345254 [patent_app_country] => US [patent_app_date] => 2006-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3848 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0178/20060178171.pdf [firstpage_image] =>[orig_patent_app_number] => 11345254 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/345254
Audio/charging module and electronic system and porable electronic device thereof Feb 1, 2006 Abandoned
Array ( [id] => 5911799 [patent_doc_number] => 20060126861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-15 [patent_title] => 'Personal listening device for events' [patent_app_type] => utility [patent_app_number] => 11/340254 [patent_app_country] => US [patent_app_date] => 2006-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10415 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20060126861.pdf [firstpage_image] =>[orig_patent_app_number] => 11340254 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/340254
Personal listening device for events Jan 25, 2006 Abandoned
Array ( [id] => 5218907 [patent_doc_number] => 20070160218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Decoding of binaural audio signals' [patent_app_type] => utility [patent_app_number] => 11/334041 [patent_app_country] => US [patent_app_date] => 2006-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5493 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20070160218.pdf [firstpage_image] =>[orig_patent_app_number] => 11334041 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/334041
Decoding of binaural audio signals Jan 16, 2006 Abandoned
Array ( [id] => 8107403 [patent_doc_number] => 08155351 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-10 [patent_title] => 'Sound signal output device and program for controlling sound output' [patent_app_type] => utility [patent_app_number] => 11/332363 [patent_app_country] => US [patent_app_date] => 2006-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4179 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/155/08155351.pdf [firstpage_image] =>[orig_patent_app_number] => 11332363 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/332363
Sound signal output device and program for controlling sound output Jan 16, 2006 Issued
Array ( [id] => 4692244 [patent_doc_number] => 20080085015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'Economic indoor power amplification system' [patent_app_type] => utility [patent_app_number] => 11/332650 [patent_app_country] => US [patent_app_date] => 2006-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1762 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0085/20080085015.pdf [firstpage_image] =>[orig_patent_app_number] => 11332650 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/332650
Economic indoor power amplification system Jan 16, 2006 Abandoned
Array ( [id] => 4988992 [patent_doc_number] => 20070155332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Method and mobile communication device for characterizing an audio accessory for use with the mobile communication device' [patent_app_type] => utility [patent_app_number] => 11/323527 [patent_app_country] => US [patent_app_date] => 2005-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2789 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0155/20070155332.pdf [firstpage_image] =>[orig_patent_app_number] => 11323527 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/323527
Method and mobile communication device for characterizing an audio accessory for use with the mobile communication device Dec 29, 2005 Abandoned
Array ( [id] => 5714766 [patent_doc_number] => 20060078129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-13 [patent_title] => 'Sound system with a speaker box having multiple speaker units' [patent_app_type] => utility [patent_app_number] => 11/241725 [patent_app_country] => US [patent_app_date] => 2005-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1922 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0078/20060078129.pdf [firstpage_image] =>[orig_patent_app_number] => 11241725 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/241725
Sound system with a speaker box having multiple speaker units Sep 28, 2005 Abandoned
Array ( [id] => 5637934 [patent_doc_number] => 20060068908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'Crosstalk cancellation in a wagering game system' [patent_app_type] => utility [patent_app_number] => 11/238676 [patent_app_country] => US [patent_app_date] => 2005-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2889 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20060068908.pdf [firstpage_image] =>[orig_patent_app_number] => 11238676 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/238676
Crosstalk cancellation in a wagering game system Sep 28, 2005 Abandoned
Array ( [id] => 8330504 [patent_doc_number] => 08238576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-07 [patent_title] => 'Level dependent bass management' [patent_app_type] => utility [patent_app_number] => 11/238338 [patent_app_country] => US [patent_app_date] => 2005-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6678 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11238338 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/238338
Level dependent bass management Sep 28, 2005 Issued
Array ( [id] => 5595365 [patent_doc_number] => 20060159281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'Method and apparatus to record a signal using a beam forming algorithm' [patent_app_type] => utility [patent_app_number] => 11/237954 [patent_app_country] => US [patent_app_date] => 2005-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3918 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20060159281.pdf [firstpage_image] =>[orig_patent_app_number] => 11237954 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/237954
Method and apparatus to record a signal using a beam forming algorithm Sep 28, 2005 Abandoned
Array ( [id] => 5880150 [patent_doc_number] => 20060029232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-09 [patent_title] => 'Dynamic volume adjustment in a slot machine' [patent_app_type] => utility [patent_app_number] => 11/239554 [patent_app_country] => US [patent_app_date] => 2005-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2244 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20060029232.pdf [firstpage_image] =>[orig_patent_app_number] => 11239554 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/239554
Dynamic volume adjustment in a slot machine Sep 27, 2005 Abandoned
Array ( [id] => 5850202 [patent_doc_number] => 20060233393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-19 [patent_title] => 'Digital volume control circuit and method calibrated in decibels' [patent_app_type] => utility [patent_app_number] => 11/238443 [patent_app_country] => US [patent_app_date] => 2005-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2696 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0233/20060233393.pdf [firstpage_image] =>[orig_patent_app_number] => 11238443 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/238443
Digital volume control circuit and method calibrated in decibels Sep 27, 2005 Abandoned
Array ( [id] => 5638598 [patent_doc_number] => 20060069572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'Apparatus for producing sound in phone and method of doing the same' [patent_app_type] => utility [patent_app_number] => 11/224141 [patent_app_country] => US [patent_app_date] => 2005-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 14170 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20060069572.pdf [firstpage_image] =>[orig_patent_app_number] => 11224141 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/224141
Apparatus for producing sound in phone and method of doing the same Sep 12, 2005 Abandoned
Array ( [id] => 5638582 [patent_doc_number] => 20060069556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'Method and system for active noise cancellation' [patent_app_type] => utility [patent_app_number] => 11/173355 [patent_app_country] => US [patent_app_date] => 2005-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 10566 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20060069556.pdf [firstpage_image] =>[orig_patent_app_number] => 11173355 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/173355
Method and system for active noise cancellation Jun 30, 2005 Issued
Array ( [id] => 5630590 [patent_doc_number] => 20060147058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-06 [patent_title] => 'Electronic audio processing devices and volume control assistance methods' [patent_app_type] => utility [patent_app_number] => 11/168678 [patent_app_country] => US [patent_app_date] => 2005-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1735 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0147/20060147058.pdf [firstpage_image] =>[orig_patent_app_number] => 11168678 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/168678
Electronic audio processing devices and volume control assistance methods Jun 27, 2005 Abandoned
Array ( [id] => 8872163 [patent_doc_number] => 08467546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-18 [patent_title] => 'Switchable audio circuits for mobile terminals and methods and computer program products for operating the same' [patent_app_type] => utility [patent_app_number] => 11/168125 [patent_app_country] => US [patent_app_date] => 2005-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5006 [patent_no_of_claims] => 18 [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] => 11168125 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/168125
Switchable audio circuits for mobile terminals and methods and computer program products for operating the same Jun 27, 2005 Issued
Array ( [id] => 5911794 [patent_doc_number] => 20060126856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-15 [patent_title] => 'Volume control method and audio device' [patent_app_type] => utility [patent_app_number] => 11/168272 [patent_app_country] => US [patent_app_date] => 2005-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1573 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20060126856.pdf [firstpage_image] =>[orig_patent_app_number] => 11168272 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/168272
Volume control method and audio device Jun 27, 2005 Abandoned
Array ( [id] => 6977017 [patent_doc_number] => 20050286733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'Integrated loudspeaker and acoustic treatment system' [patent_app_type] => utility [patent_app_number] => 11/169129 [patent_app_country] => US [patent_app_date] => 2005-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1724 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0286/20050286733.pdf [firstpage_image] =>[orig_patent_app_number] => 11169129 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/169129
Integrated loudspeaker and acoustic treatment system Jun 26, 2005 Abandoned
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