Search

David H. Malzahn

Examiner (ID: 119, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2183, 2301, 2193, 2306, 2121, 2182, 2307, 2302, 2787, 2124, 2786
Total Applications
3174
Issued Applications
2743
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8555861 [patent_doc_number] => 08330336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-11 [patent_title] => 'Piezoelectric vibration component' [patent_app_type] => utility [patent_app_number] => 12/794144 [patent_app_country] => US [patent_app_date] => 2010-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4840 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12794144 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/794144
Piezoelectric vibration component Jun 3, 2010 Issued
Array ( [id] => 8738886 [patent_doc_number] => 08410661 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-02 [patent_title] => 'Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication' [patent_app_type] => utility [patent_app_number] => 12/793148 [patent_app_country] => US [patent_app_date] => 2010-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 7126 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12793148 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/793148
Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication Jun 2, 2010 Issued
Array ( [id] => 10570504 [patent_doc_number] => 09293685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-22 [patent_title] => 'Rotating load bearer' [patent_app_type] => utility [patent_app_number] => 13/697588 [patent_app_country] => US [patent_app_date] => 2010-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 6403 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13697588 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/697588
Rotating load bearer May 27, 2010 Issued
Array ( [id] => 8802892 [patent_doc_number] => 08441169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-14 [patent_title] => 'Voltage converter and driving system using such voltage converter' [patent_app_type] => utility [patent_app_number] => 12/782408 [patent_app_country] => US [patent_app_date] => 2010-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 3930 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12782408 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/782408
Voltage converter and driving system using such voltage converter May 17, 2010 Issued
Array ( [id] => 8738889 [patent_doc_number] => 08410664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-02 [patent_title] => 'Method for changing ultrasound wave frequency by using the acoustic matching layer' [patent_app_type] => utility [patent_app_number] => 12/662701 [patent_app_country] => US [patent_app_date] => 2010-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 2625 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12662701 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/662701
Method for changing ultrasound wave frequency by using the acoustic matching layer Apr 28, 2010 Issued
Array ( [id] => 8876469 [patent_doc_number] => 08471436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-25 [patent_title] => 'Piezoelectric element drive circuit and foreign substance removing apparatus' [patent_app_type] => utility [patent_app_number] => 12/749232 [patent_app_country] => US [patent_app_date] => 2010-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4465 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12749232 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/749232
Piezoelectric element drive circuit and foreign substance removing apparatus Mar 28, 2010 Issued
Array ( [id] => 8995710 [patent_doc_number] => 08519599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Piezoelectric actuator unit and liquid transporting apparatus' [patent_app_type] => utility [patent_app_number] => 12/729351 [patent_app_country] => US [patent_app_date] => 2010-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9074 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12729351 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/729351
Piezoelectric actuator unit and liquid transporting apparatus Mar 22, 2010 Issued
Array ( [id] => 8995710 [patent_doc_number] => 08519599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Piezoelectric actuator unit and liquid transporting apparatus' [patent_app_type] => utility [patent_app_number] => 12/729351 [patent_app_country] => US [patent_app_date] => 2010-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9074 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12729351 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/729351
Piezoelectric actuator unit and liquid transporting apparatus Mar 22, 2010 Issued
Array ( [id] => 8995710 [patent_doc_number] => 08519599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Piezoelectric actuator unit and liquid transporting apparatus' [patent_app_type] => utility [patent_app_number] => 12/729351 [patent_app_country] => US [patent_app_date] => 2010-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9074 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12729351 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/729351
Piezoelectric actuator unit and liquid transporting apparatus Mar 22, 2010 Issued
Array ( [id] => 8995710 [patent_doc_number] => 08519599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Piezoelectric actuator unit and liquid transporting apparatus' [patent_app_type] => utility [patent_app_number] => 12/729351 [patent_app_country] => US [patent_app_date] => 2010-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9074 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12729351 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/729351
Piezoelectric actuator unit and liquid transporting apparatus Mar 22, 2010 Issued
Array ( [id] => 10119161 [patent_doc_number] => 09154056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-06 [patent_title] => 'Rotary type vibration wave driving apparatus' [patent_app_type] => utility [patent_app_number] => 13/143768 [patent_app_country] => US [patent_app_date] => 2010-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 6276 [patent_no_of_claims] => 22 [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] => 13143768 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/143768
Rotary type vibration wave driving apparatus Mar 17, 2010 Issued
Array ( [id] => 4614551 [patent_doc_number] => 07990022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'High-performance electroactive polymer transducers' [patent_app_type] => utility [patent_app_number] => 12/724321 [patent_app_country] => US [patent_app_date] => 2010-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 67 [patent_no_of_words] => 15760 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/990/07990022.pdf [firstpage_image] =>[orig_patent_app_number] => 12724321 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/724321
High-performance electroactive polymer transducers Mar 14, 2010 Issued
Array ( [id] => 9971807 [patent_doc_number] => 09018823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'Apparatus and method for electromechanical positioning' [patent_app_type] => utility [patent_app_number] => 13/138379 [patent_app_country] => US [patent_app_date] => 2010-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8439 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13138379 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/138379
Apparatus and method for electromechanical positioning Mar 5, 2010 Issued
Array ( [id] => 4614558 [patent_doc_number] => 07990029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Ceramic material, method for producing the same, and electro-ceramic component comprising the ceramic material' [patent_app_type] => utility [patent_app_number] => 12/716704 [patent_app_country] => US [patent_app_date] => 2010-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4798 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/990/07990029.pdf [firstpage_image] =>[orig_patent_app_number] => 12716704 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/716704
Ceramic material, method for producing the same, and electro-ceramic component comprising the ceramic material Mar 2, 2010 Issued
Array ( [id] => 7717535 [patent_doc_number] => 20120007473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'PIEZOELECTRIC GENERATOR UNIT USING PIEZOELECTRIC BIMORPH' [patent_app_type] => utility [patent_app_number] => 13/142119 [patent_app_country] => US [patent_app_date] => 2010-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2962 [patent_no_of_claims] => 8 [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/A1/0007/20120007473.pdf [firstpage_image] =>[orig_patent_app_number] => 13142119 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/142119
PIEZOELECTRIC GENERATOR UNIT USING PIEZOELECTRIC BIMORPH Feb 24, 2010 Abandoned
Array ( [id] => 5972962 [patent_doc_number] => 20110068656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-24 [patent_title] => 'SURFACE ACOUSTIC WAVE SENSOR SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/705599 [patent_app_country] => US [patent_app_date] => 2010-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5925 [patent_no_of_claims] => 22 [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/A1/0068/20110068656.pdf [firstpage_image] =>[orig_patent_app_number] => 12705599 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/705599
Surface acoustic wave sensor system Feb 12, 2010 Issued
Array ( [id] => 8306420 [patent_doc_number] => 08227958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-24 [patent_title] => 'Piezoelectric devices and methods for manufacturing same' [patent_app_type] => utility [patent_app_number] => 12/703473 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7527 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12703473 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/703473
Piezoelectric devices and methods for manufacturing same Feb 9, 2010 Issued
Array ( [id] => 7565186 [patent_doc_number] => 20110285249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-24 [patent_title] => 'PIEZOLELECTRIC SOUND-GENERATING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/143900 [patent_app_country] => US [patent_app_date] => 2010-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7049 [patent_no_of_claims] => 9 [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/A1/0285/20110285249.pdf [firstpage_image] =>[orig_patent_app_number] => 13143900 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/143900
Piezolelectric sound-generating device Jan 25, 2010 Issued
Array ( [id] => 6608001 [patent_doc_number] => 20100171391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'ULTRASONIC MOTOR' [patent_app_type] => utility [patent_app_number] => 12/683526 [patent_app_country] => US [patent_app_date] => 2010-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9677 [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/A1/0171/20100171391.pdf [firstpage_image] =>[orig_patent_app_number] => 12683526 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/683526
ULTRASONIC MOTOR Jan 6, 2010 Abandoned
Array ( [id] => 7763144 [patent_doc_number] => 20120032556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'METHOD FOR OPERATING AN OUTPUT STAGE FOR AT LEAST ONE PIEZOACTUATOR' [patent_app_type] => utility [patent_app_number] => 13/138397 [patent_app_country] => US [patent_app_date] => 2010-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3564 [patent_no_of_claims] => 10 [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/A1/0032/20120032556.pdf [firstpage_image] =>[orig_patent_app_number] => 13138397 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/138397
Method for operating an output stage for at least one piezoactuator Jan 4, 2010 Issued
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