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] => 4812314 [patent_doc_number] => 20080192945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-14 [patent_title] => 'Audio system and method' [patent_app_type] => utility [patent_app_number] => 11/703879 [patent_app_country] => US [patent_app_date] => 2007-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2688 [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/A1/0192/20080192945.pdf [firstpage_image] =>[orig_patent_app_number] => 11703879 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/703879
Audio system and method Feb 7, 2007 Abandoned
Array ( [id] => 5100340 [patent_doc_number] => 20070183602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'Method and synthesizing impulse response and method for creating reverberation' [patent_app_type] => utility [patent_app_number] => 11/703309 [patent_app_country] => US [patent_app_date] => 2007-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3466 [patent_no_of_claims] => 7 [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/A1/0183/20070183602.pdf [firstpage_image] =>[orig_patent_app_number] => 11703309 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/703309
Method for synthesizing impulse response and method for creating reverberation Feb 5, 2007 Issued
Array ( [id] => 4954123 [patent_doc_number] => 20080187147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'Noise reduction systems and methods' [patent_app_type] => utility [patent_app_number] => 11/702408 [patent_app_country] => US [patent_app_date] => 2007-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5820 [patent_no_of_claims] => 20 [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/A1/0187/20080187147.pdf [firstpage_image] =>[orig_patent_app_number] => 11702408 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/702408
Noise reduction systems and methods Feb 4, 2007 Abandoned
Array ( [id] => 5112052 [patent_doc_number] => 20070195967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'Digital reverberations for audio signals' [patent_app_type] => utility [patent_app_number] => 11/701971 [patent_app_country] => US [patent_app_date] => 2007-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4194 [patent_no_of_claims] => 26 [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/A1/0195/20070195967.pdf [firstpage_image] =>[orig_patent_app_number] => 11701971 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/701971
Digital reverberations for audio signals Feb 1, 2007 Issued
Array ( [id] => 8400235 [patent_doc_number] => 08270633 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-18 [patent_title] => 'Noise suppressing apparatus' [patent_app_type] => utility [patent_app_number] => 11/605570 [patent_app_country] => US [patent_app_date] => 2006-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5268 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11605570 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/605570
Noise suppressing apparatus Nov 28, 2006 Issued
Array ( [id] => 5218934 [patent_doc_number] => 20070160245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Personal voice-transmitted device' [patent_app_type] => utility [patent_app_number] => 11/605418 [patent_app_country] => US [patent_app_date] => 2006-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5078 [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/A1/0160/20070160245.pdf [firstpage_image] =>[orig_patent_app_number] => 11605418 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/605418
Personal voice-transmitted device Nov 28, 2006 Abandoned
Array ( [id] => 4823933 [patent_doc_number] => 20080123879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-29 [patent_title] => 'Digital wireless stereophonic music transmission device' [patent_app_type] => utility [patent_app_number] => 11/606318 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1535 [patent_no_of_claims] => 5 [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/A1/0123/20080123879.pdf [firstpage_image] =>[orig_patent_app_number] => 11606318 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/606318
Digital wireless stereophonic music transmission device Nov 27, 2006 Abandoned
Array ( [id] => 4823924 [patent_doc_number] => 20080123874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-29 [patent_title] => 'Audio amplifier system' [patent_app_type] => utility [patent_app_number] => 11/604732 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1667 [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/A1/0123/20080123874.pdf [firstpage_image] =>[orig_patent_app_number] => 11604732 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/604732
Audio amplifier system Nov 27, 2006 Abandoned
Array ( [id] => 5235581 [patent_doc_number] => 20070127737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Audio/video system' [patent_app_type] => utility [patent_app_number] => 11/604610 [patent_app_country] => US [patent_app_date] => 2006-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3386 [patent_no_of_claims] => 28 [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/A1/0127/20070127737.pdf [firstpage_image] =>[orig_patent_app_number] => 11604610 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/604610
Audio/video system Nov 26, 2006 Abandoned
Array ( [id] => 5078765 [patent_doc_number] => 20070121989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Audio output device' [patent_app_type] => utility [patent_app_number] => 11/604394 [patent_app_country] => US [patent_app_date] => 2006-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6572 [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/A1/0121/20070121989.pdf [firstpage_image] =>[orig_patent_app_number] => 11604394 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/604394
Audio output device Nov 26, 2006 Abandoned
Array ( [id] => 5183284 [patent_doc_number] => 20070054638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-08 [patent_title] => 'Apparatus and method to control audio volume in D class amplifier' [patent_app_type] => utility [patent_app_number] => 11/501685 [patent_app_country] => US [patent_app_date] => 2006-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3509 [patent_no_of_claims] => 17 [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/A1/0054/20070054638.pdf [firstpage_image] =>[orig_patent_app_number] => 11501685 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/501685
Apparatus and method to control audio volume in D class amplifier Aug 9, 2006 Abandoned
Array ( [id] => 4650557 [patent_doc_number] => 20080037813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-14 [patent_title] => 'Carrying case with integrated speaker system and portable media player control window' [patent_app_type] => utility [patent_app_number] => 11/500650 [patent_app_country] => US [patent_app_date] => 2006-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2700 [patent_no_of_claims] => 25 [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/A1/0037/20080037813.pdf [firstpage_image] =>[orig_patent_app_number] => 11500650 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/500650
Carrying case with integrated speaker system and portable media player control window Aug 7, 2006 Abandoned
Array ( [id] => 5135267 [patent_doc_number] => 20070076896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-05 [patent_title] => 'Active noise-reduction control apparatus and method' [patent_app_type] => utility [patent_app_number] => 11/501332 [patent_app_country] => US [patent_app_date] => 2006-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 9458 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0076/20070076896.pdf [firstpage_image] =>[orig_patent_app_number] => 11501332 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/501332
Active noise-reduction control apparatus and method Aug 6, 2006 Abandoned
Array ( [id] => 5052350 [patent_doc_number] => 20070032895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-08 [patent_title] => 'LOUDSPEAKER WITH DEMONSTRATION MODE' [patent_app_type] => utility [patent_app_number] => 11/460855 [patent_app_country] => US [patent_app_date] => 2006-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 11112 [patent_no_of_claims] => 19 [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/A1/0032/20070032895.pdf [firstpage_image] =>[orig_patent_app_number] => 11460855 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/460855
LOUDSPEAKER WITH DEMONSTRATION MODE Jul 27, 2006 Abandoned
Array ( [id] => 5241335 [patent_doc_number] => 20070019826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-25 [patent_title] => 'Reduced latency low frequency equalization system' [patent_app_type] => utility [patent_app_number] => 11/487597 [patent_app_country] => US [patent_app_date] => 2006-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 8086 [patent_no_of_claims] => 27 [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/A1/0019/20070019826.pdf [firstpage_image] =>[orig_patent_app_number] => 11487597 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/487597
Reduced latency low frequency equalization system Jul 13, 2006 Issued
Array ( [id] => 4802165 [patent_doc_number] => 20080013752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-17 [patent_title] => 'Audio entertainment system equalizer and method' [patent_app_type] => utility [patent_app_number] => 11/484215 [patent_app_country] => US [patent_app_date] => 2006-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3103 [patent_no_of_claims] => 24 [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/A1/0013/20080013752.pdf [firstpage_image] =>[orig_patent_app_number] => 11484215 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/484215
Audio entertainment system equalizer and method Jul 10, 2006 Abandoned
Array ( [id] => 5073468 [patent_doc_number] => 20070013443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Compartmental gain limiter and controlling method thereof' [patent_app_type] => utility [patent_app_number] => 11/483631 [patent_app_country] => US [patent_app_date] => 2006-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5873 [patent_no_of_claims] => 18 [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/A1/0013/20070013443.pdf [firstpage_image] =>[orig_patent_app_number] => 11483631 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/483631
Compartmental gain limiter and controlling method thereof Jul 10, 2006 Abandoned
Array ( [id] => 4802160 [patent_doc_number] => 20080013747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-17 [patent_title] => 'Digital stethoscope and monitoring instrument' [patent_app_type] => utility [patent_app_number] => 11/480206 [patent_app_country] => US [patent_app_date] => 2006-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 20614 [patent_no_of_claims] => 20 [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/A1/0013/20080013747.pdf [firstpage_image] =>[orig_patent_app_number] => 11480206 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/480206
Digital stethoscope and monitoring instrument Jun 29, 2006 Abandoned
Array ( [id] => 4934441 [patent_doc_number] => 20080005216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'System and method to reduce audio artifacts from an audio signal dispersed among multiple audio channels by reducing the order of each control loop by selectively activating multiple integrators located within each control loop' [patent_app_type] => utility [patent_app_number] => 11/480013 [patent_app_country] => US [patent_app_date] => 2006-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3962 [patent_no_of_claims] => 1 [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/A1/0005/20080005216.pdf [firstpage_image] =>[orig_patent_app_number] => 11480013 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/480013
System and method to reduce audio artifacts from an audio signal dispersed among multiple audio channels by reducing the order of each control loop by selectively activating multiple integrators located within each control loop Jun 29, 2006 Abandoned
Array ( [id] => 4932065 [patent_doc_number] => 20080002840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'Radio with automatic voice enhancement' [patent_app_type] => utility [patent_app_number] => 11/479650 [patent_app_country] => US [patent_app_date] => 2006-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1757 [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/A1/0002/20080002840.pdf [firstpage_image] =>[orig_patent_app_number] => 11479650 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/479650
Radio with automatic voice enhancement Jun 29, 2006 Abandoned
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