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] => 7126561 [patent_doc_number] => 20050058305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Vehicular audio apparatus, and tone generating method and program therefor' [patent_app_type] => utility [patent_app_number] => 10/942365 [patent_app_country] => US [patent_app_date] => 2004-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9038 [patent_no_of_claims] => 22 [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/A1/0058/20050058305.pdf [firstpage_image] =>[orig_patent_app_number] => 10942365 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/942365
Vehicular audio apparatus, and tone generating method and program therefor Sep 14, 2004 Issued
Array ( [id] => 5074444 [patent_doc_number] => 20070014419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Method and apparatus for producing adaptive directional signals' [patent_app_type] => utility [patent_app_number] => 10/596122 [patent_app_country] => US [patent_app_date] => 2004-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4859 [patent_no_of_claims] => 32 [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/A1/0014/20070014419.pdf [firstpage_image] =>[orig_patent_app_number] => 10596122 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/596122
Method and apparatus for producing adaptive directional signals Aug 10, 2004 Issued
Array ( [id] => 5737714 [patent_doc_number] => 20060008104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-12 [patent_title] => 'Sports board music' [patent_app_type] => utility [patent_app_number] => 10/888922 [patent_app_country] => US [patent_app_date] => 2004-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 565 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0008/20060008104.pdf [firstpage_image] =>[orig_patent_app_number] => 10888922 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/888922
Sports board music Jul 11, 2004 Abandoned
Array ( [id] => 7088065 [patent_doc_number] => 20050008177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-13 [patent_title] => 'Audio path diagnostics' [patent_app_type] => utility [patent_app_number] => 10/887893 [patent_app_country] => US [patent_app_date] => 2004-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3546 [patent_no_of_claims] => 39 [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/A1/0008/20050008177.pdf [firstpage_image] =>[orig_patent_app_number] => 10887893 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/887893
Audio path diagnostics Jul 11, 2004 Issued
Array ( [id] => 9101557 [patent_doc_number] => 08565447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-22 [patent_title] => 'Active instrument subwoofer system for low frequency enhancement' [patent_app_type] => utility [patent_app_number] => 10/886853 [patent_app_country] => US [patent_app_date] => 2004-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3853 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 10886853 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/886853
Active instrument subwoofer system for low frequency enhancement Jul 7, 2004 Issued
Array ( [id] => 7121613 [patent_doc_number] => 20050013442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-20 [patent_title] => 'Sound field control system and sound field control method' [patent_app_type] => utility [patent_app_number] => 10/885705 [patent_app_country] => US [patent_app_date] => 2004-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9301 [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/A1/0013/20050013442.pdf [firstpage_image] =>[orig_patent_app_number] => 10885705 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/885705
Sound field control system and sound field control method Jul 7, 2004 Abandoned
Array ( [id] => 26727 [patent_doc_number] => 07796774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-14 [patent_title] => 'Portable musical instrument amplifier' [patent_app_type] => utility [patent_app_number] => 10/886316 [patent_app_country] => US [patent_app_date] => 2004-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3477 [patent_no_of_claims] => 1 [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] => patents/07/796/07796774.pdf [firstpage_image] =>[orig_patent_app_number] => 10886316 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/886316
Portable musical instrument amplifier Jul 6, 2004 Issued
Array ( [id] => 5737703 [patent_doc_number] => 20060008093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-12 [patent_title] => 'Media recorder system and method' [patent_app_type] => utility [patent_app_number] => 10/884270 [patent_app_country] => US [patent_app_date] => 2004-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2624 [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/A1/0008/20060008093.pdf [firstpage_image] =>[orig_patent_app_number] => 10884270 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/884270
Media recorder system and method Jul 5, 2004 Abandoned
Array ( [id] => 4574370 [patent_doc_number] => 07840013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-23 [patent_title] => 'Microphone array with physical beamforming using omnidirectional microphones' [patent_app_type] => utility [patent_app_number] => 10/881468 [patent_app_country] => US [patent_app_date] => 2004-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 3596 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/840/07840013.pdf [firstpage_image] =>[orig_patent_app_number] => 10881468 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/881468
Microphone array with physical beamforming using omnidirectional microphones Jun 30, 2004 Issued
Array ( [id] => 45796 [patent_doc_number] => 07783053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-24 [patent_title] => 'Level meter displaying method and level meter apparatus' [patent_app_type] => utility [patent_app_number] => 10/883296 [patent_app_country] => US [patent_app_date] => 2004-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5968 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/783/07783053.pdf [firstpage_image] =>[orig_patent_app_number] => 10883296 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/883296
Level meter displaying method and level meter apparatus Jun 29, 2004 Issued
Array ( [id] => 8148296 [patent_doc_number] => 08165309 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-24 [patent_title] => 'System and method for simulation of non-linear audio equipment' [patent_app_type] => utility [patent_app_number] => 10/872012 [patent_app_country] => US [patent_app_date] => 2004-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7194 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/165/08165309.pdf [firstpage_image] =>[orig_patent_app_number] => 10872012 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/872012
System and method for simulation of non-linear audio equipment Jun 20, 2004 Issued
Array ( [id] => 6930380 [patent_doc_number] => 20050281414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Method and apparatus for control of personal digital media devices using a vehicle audio system' [patent_app_type] => utility [patent_app_number] => 10/870424 [patent_app_country] => US [patent_app_date] => 2004-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4586 [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/A1/0281/20050281414.pdf [firstpage_image] =>[orig_patent_app_number] => 10870424 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/870424
Method and apparatus for control of personal digital media devices using a vehicle audio system Jun 17, 2004 Abandoned
Array ( [id] => 8118093 [patent_doc_number] => 08160266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-17 [patent_title] => 'Active vibratory noise control apparatus matching characteristics of audio devices' [patent_app_type] => utility [patent_app_number] => 10/869214 [patent_app_country] => US [patent_app_date] => 2004-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 9115 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/160/08160266.pdf [firstpage_image] =>[orig_patent_app_number] => 10869214 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869214
Active vibratory noise control apparatus matching characteristics of audio devices Jun 16, 2004 Issued
Array ( [id] => 6930378 [patent_doc_number] => 20050281412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Voice prosthesis with neural interface' [patent_app_type] => utility [patent_app_number] => 10/869666 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2826 [patent_no_of_claims] => 18 [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/A1/0281/20050281412.pdf [firstpage_image] =>[orig_patent_app_number] => 10869666 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869666
Voice prosthesis with neural interface Jun 15, 2004 Abandoned
Array ( [id] => 7246939 [patent_doc_number] => 20040258251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Active vibratory noise control apparatus' [patent_app_type] => new [patent_app_number] => 10/866986 [patent_app_country] => US [patent_app_date] => 2004-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6657 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0258/20040258251.pdf [firstpage_image] =>[orig_patent_app_number] => 10866986 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/866986
Cylinder responsive vibratory noise control apparatus Jun 14, 2004 Issued
Array ( [id] => 7055249 [patent_doc_number] => 20050276421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-15 [patent_title] => 'Noise reduction headset' [patent_app_type] => utility [patent_app_number] => 10/868318 [patent_app_country] => US [patent_app_date] => 2004-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2026 [patent_no_of_claims] => 16 [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/A1/0276/20050276421.pdf [firstpage_image] =>[orig_patent_app_number] => 10868318 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/868318
Noise reduction headset Jun 14, 2004 Issued
Array ( [id] => 7186361 [patent_doc_number] => 20050191971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'Assisted listening device' [patent_app_type] => utility [patent_app_number] => 10/867347 [patent_app_country] => US [patent_app_date] => 2004-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 5663 [patent_no_of_claims] => 22 [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/A1/0191/20050191971.pdf [firstpage_image] =>[orig_patent_app_number] => 10867347 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/867347
Assisted listening device Jun 13, 2004 Abandoned
Array ( [id] => 7331857 [patent_doc_number] => 20040254663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Device for providing audio output and related systems and methods' [patent_app_type] => new [patent_app_number] => 10/868295 [patent_app_country] => US [patent_app_date] => 2004-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1936 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0254/20040254663.pdf [firstpage_image] =>[orig_patent_app_number] => 10868295 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/868295
Device for providing audio output and related systems and methods Jun 13, 2004 Abandoned
Array ( [id] => 77377 [patent_doc_number] => 07751579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-07-06 [patent_title] => 'Acoustically transparent debris barrier for audio transducers' [patent_app_type] => utility [patent_app_number] => 10/866233 [patent_app_country] => US [patent_app_date] => 2004-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 56 [patent_no_of_words] => 9703 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/751/07751579.pdf [firstpage_image] =>[orig_patent_app_number] => 10866233 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/866233
Acoustically transparent debris barrier for audio transducers Jun 9, 2004 Issued
Array ( [id] => 7259729 [patent_doc_number] => 20040260416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Audio amplifier local interface system' [patent_app_type] => new [patent_app_number] => 10/866553 [patent_app_country] => US [patent_app_date] => 2004-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12591 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0260/20040260416.pdf [firstpage_image] =>[orig_patent_app_number] => 10866553 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/866553
Audio amplifier local interface system Jun 9, 2004 Abandoned
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