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] => 8774307 [patent_doc_number] => 08428277 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-04-23 [patent_title] => 'Clipping protection in fixed-width audio mixing' [patent_app_type] => utility [patent_app_number] => 13/271139 [patent_app_country] => US [patent_app_date] => 2011-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 13336 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13271139 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/271139
Clipping protection in fixed-width audio mixing Oct 10, 2011 Issued
Array ( [id] => 8996974 [patent_doc_number] => 08520876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Assembly structure for speaker system' [patent_app_type] => utility [patent_app_number] => 13/048922 [patent_app_country] => US [patent_app_date] => 2011-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1472 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13048922 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/048922
Assembly structure for speaker system Mar 15, 2011 Issued
Array ( [id] => 8392662 [patent_doc_number] => 20120230507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'SYNTHETIC STEREO ON A MONO HEADSET WITH MOTION SENSING' [patent_app_type] => utility [patent_app_number] => 13/046351 [patent_app_country] => US [patent_app_date] => 2011-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5284 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13046351 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/046351
Synthetic stereo on a mono headset with motion sensing Mar 10, 2011 Issued
Array ( [id] => 5951660 [patent_doc_number] => 20110033058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-10 [patent_title] => 'Display Apparatus' [patent_app_type] => utility [patent_app_number] => 12/851603 [patent_app_country] => US [patent_app_date] => 2010-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1462 [patent_no_of_claims] => 2 [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/A1/0033/20110033058.pdf [firstpage_image] =>[orig_patent_app_number] => 12851603 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/851603
Display Apparatus Aug 5, 2010 Abandoned
Array ( [id] => 6023636 [patent_doc_number] => 20110051962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-03 [patent_title] => 'SURROUND SOUND AUDIO CHAIR' [patent_app_type] => utility [patent_app_number] => 12/851783 [patent_app_country] => US [patent_app_date] => 2010-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1609 [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/A1/0051/20110051962.pdf [firstpage_image] =>[orig_patent_app_number] => 12851783 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/851783
SURROUND SOUND AUDIO CHAIR Aug 5, 2010 Abandoned
Array ( [id] => 5928454 [patent_doc_number] => 20110038488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'WIRELESS MUSICAL INSTRUMENT NETWORK AND WIRELESS LINK MODULES' [patent_app_type] => utility [patent_app_number] => 12/851200 [patent_app_country] => US [patent_app_date] => 2010-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6561 [patent_no_of_claims] => 23 [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/A1/0038/20110038488.pdf [firstpage_image] =>[orig_patent_app_number] => 12851200 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/851200
WIRELESS MUSICAL INSTRUMENT NETWORK AND WIRELESS LINK MODULES Aug 4, 2010 Abandoned
Array ( [id] => 8411735 [patent_doc_number] => 08275141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-25 [patent_title] => 'Noise reduction system and noise reduction method' [patent_app_type] => utility [patent_app_number] => 12/771024 [patent_app_country] => US [patent_app_date] => 2010-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3245 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12771024 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/771024
Noise reduction system and noise reduction method Apr 29, 2010 Issued
Array ( [id] => 6488085 [patent_doc_number] => 20100208902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-19 [patent_title] => 'SOUND DETERMINATION DEVICE, SOUND DETERMINATION METHOD, AND SOUND DETERMINATION PROGRAM' [patent_app_type] => utility [patent_app_number] => 12/770971 [patent_app_country] => US [patent_app_date] => 2010-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 46 [patent_no_of_words] => 25777 [patent_no_of_claims] => 9 [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/A1/0208/20100208902.pdf [firstpage_image] =>[orig_patent_app_number] => 12770971 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/770971
SOUND DETERMINATION DEVICE, SOUND DETERMINATION METHOD, AND SOUND DETERMINATION PROGRAM Apr 29, 2010 Abandoned
Array ( [id] => 7486140 [patent_doc_number] => 20110235817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-29 [patent_title] => 'EARPHONE, ELECTRONIC SYSTEM AND POWER-SAVING METHOD' [patent_app_type] => utility [patent_app_number] => 12/770769 [patent_app_country] => US [patent_app_date] => 2010-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2668 [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/A1/0235/20110235817.pdf [firstpage_image] =>[orig_patent_app_number] => 12770769 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/770769
EARPHONE, ELECTRONIC SYSTEM AND POWER-SAVING METHOD Apr 29, 2010 Abandoned
Array ( [id] => 7572626 [patent_doc_number] => 20110268282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-03 [patent_title] => 'System and Method for Monitoring Compliance of Sound Levels When Playing Content in Theater Auditoriums' [patent_app_type] => utility [patent_app_number] => 12/769331 [patent_app_country] => US [patent_app_date] => 2010-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9246 [patent_no_of_claims] => 23 [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/A1/0268/20110268282.pdf [firstpage_image] =>[orig_patent_app_number] => 12769331 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/769331
System and Method for Monitoring Compliance of Sound Levels When Playing Content in Theater Auditoriums Apr 27, 2010 Abandoned
Array ( [id] => 6555444 [patent_doc_number] => 20100272273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-28 [patent_title] => 'DEVICE FOR ACOUSTICALLY ANALYZING A HEARING DEVICE AND ANALYSIS METHOD' [patent_app_type] => utility [patent_app_number] => 12/768231 [patent_app_country] => US [patent_app_date] => 2010-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3540 [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/A1/0272/20100272273.pdf [firstpage_image] =>[orig_patent_app_number] => 12768231 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/768231
Device for acoustically analyzing a hearing device and analysis method Apr 26, 2010 Issued
Array ( [id] => 6631571 [patent_doc_number] => 20100226502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'Method For Fabricating A Hearing Device' [patent_app_type] => utility [patent_app_number] => 12/717362 [patent_app_country] => US [patent_app_date] => 2010-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3012 [patent_no_of_claims] => 15 [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/A1/0226/20100226502.pdf [firstpage_image] =>[orig_patent_app_number] => 12717362 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/717362
Method For Fabricating A Hearing Device Mar 3, 2010 Abandoned
Array ( [id] => 6542744 [patent_doc_number] => 20100232614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-16 [patent_title] => 'QUANTUM MECHANICAL TUNNELING AUDIO DISTORTION DEVICE' [patent_app_type] => utility [patent_app_number] => 12/716297 [patent_app_country] => US [patent_app_date] => 2010-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 725 [patent_no_of_claims] => 13 [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/A1/0232/20100232614.pdf [firstpage_image] =>[orig_patent_app_number] => 12716297 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/716297
QUANTUM MECHANICAL TUNNELING AUDIO DISTORTION DEVICE Mar 2, 2010 Abandoned
Array ( [id] => 8545282 [patent_doc_number] => 08320581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-27 [patent_title] => 'Vehicle engine sound enhancement' [patent_app_type] => utility [patent_app_number] => 12/716887 [patent_app_country] => US [patent_app_date] => 2010-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4868 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12716887 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/716887
Vehicle engine sound enhancement Mar 2, 2010 Issued
Array ( [id] => 6631605 [patent_doc_number] => 20100226507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'Microphone Unit' [patent_app_type] => utility [patent_app_number] => 12/716470 [patent_app_country] => US [patent_app_date] => 2010-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7913 [patent_no_of_claims] => 3 [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/A1/0226/20100226507.pdf [firstpage_image] =>[orig_patent_app_number] => 12716470 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/716470
Microphone Unit Mar 2, 2010 Abandoned
Array ( [id] => 8774302 [patent_doc_number] => 08428272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-23 [patent_title] => 'Masking sound generating apparatus, masking system, masking sound generating method, and program' [patent_app_type] => utility [patent_app_number] => 12/708751 [patent_app_country] => US [patent_app_date] => 2010-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4958 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12708751 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/708751
Masking sound generating apparatus, masking system, masking sound generating method, and program Feb 18, 2010 Issued
Array ( [id] => 6211720 [patent_doc_number] => 20110135110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-09 [patent_title] => 'Audio device with sound source cassette' [patent_app_type] => utility [patent_app_number] => 12/592911 [patent_app_country] => US [patent_app_date] => 2009-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3952 [patent_no_of_claims] => 23 [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/A1/0135/20110135110.pdf [firstpage_image] =>[orig_patent_app_number] => 12592911 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/592911
Audio device with sound source cassette Dec 3, 2009 Abandoned
Array ( [id] => 8654598 [patent_doc_number] => 08374360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-12 [patent_title] => 'Sound setting apparatus and sound setting method' [patent_app_type] => utility [patent_app_number] => 12/592604 [patent_app_country] => US [patent_app_date] => 2009-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 10442 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12592604 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/592604
Sound setting apparatus and sound setting method Nov 29, 2009 Issued
Array ( [id] => 8996960 [patent_doc_number] => 08520862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Audio system' [patent_app_type] => utility [patent_app_number] => 12/592282 [patent_app_country] => US [patent_app_date] => 2009-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 12991 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12592282 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/592282
Audio system Nov 19, 2009 Issued
Array ( [id] => 5951677 [patent_doc_number] => 20110033075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-10 [patent_title] => 'PRENATAL INTERACTIVE TOOLBOX' [patent_app_type] => utility [patent_app_number] => 12/538144 [patent_app_country] => US [patent_app_date] => 2009-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1408 [patent_no_of_claims] => 7 [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/A1/0033/20110033075.pdf [firstpage_image] =>[orig_patent_app_number] => 12538144 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/538144
PRENATAL INTERACTIVE TOOLBOX Aug 8, 2009 Abandoned
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