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] => 12936538 [patent_doc_number] => 09831414 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => Surface mounted piezoelectric vibrator [patent_app_type] => utility [patent_app_number] => 14/406317 [patent_app_country] => US [patent_app_date] => 2013-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 12350 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14406317 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/406317
Surface mounted piezoelectric vibrator Mar 26, 2013 Issued
Array ( [id] => 9730018 [patent_doc_number] => 20140265725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'Ultrasonic Driver' [patent_app_type] => utility [patent_app_number] => 13/832386 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2346 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13832386 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832386
Ultrasonic driver Mar 14, 2013 Issued
Array ( [id] => 8961148 [patent_doc_number] => 20130200750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/829596 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9952 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13829596 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/829596
Preferentially-oriented oxide ceramics, piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device Mar 13, 2013 Issued
Array ( [id] => 9038717 [patent_doc_number] => 20130241356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'PROBE FOR ULTRASONIC DIAGNOSTIC APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/801195 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1805 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13801195 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/801195
PROBE FOR ULTRASONIC DIAGNOSTIC APPARATUS Mar 12, 2013 Abandoned
Array ( [id] => 9038720 [patent_doc_number] => 20130241357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/802512 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 12022 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13802512 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/802512
Piezoelectric device and method for fabricating the same Mar 12, 2013 Issued
Array ( [id] => 9038725 [patent_doc_number] => 20130241363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'METHOD OF MANUFACTURING RESONATOR ELEMENT, METHOD OF MANUFACTURING RESONATOR, RESONATOR, OSCILLATOR, AND ELECTRONIC APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/799368 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9424 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13799368 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/799368
METHOD OF MANUFACTURING RESONATOR ELEMENT, METHOD OF MANUFACTURING RESONATOR, RESONATOR, OSCILLATOR, AND ELECTRONIC APPARATUS Mar 12, 2013
Array ( [id] => 9038724 [patent_doc_number] => 20130241362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'PIEZOELECTRIC DEVICE' [patent_app_type] => utility [patent_app_number] => 13/798170 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8234 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13798170 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/798170
PIEZOELECTRIC DEVICE Mar 12, 2013 Abandoned
Array ( [id] => 9051640 [patent_doc_number] => 20130249354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'PIEZOELECTRIC FILM-ATTACHED SUBSTRATE, PIEZOELECTRIC FILM ELEMENT AND METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/796243 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9651 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13796243 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/796243
Piezoelectric film-attached substrate, piezoelectric film element and method of manufacturing the same Mar 11, 2013 Issued
Array ( [id] => 9038718 [patent_doc_number] => 20130241355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'ULTRASOUND PROBE AND METHOD OF MANUFACTURING ULTRASOUND PROBE' [patent_app_type] => utility [patent_app_number] => 13/795103 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8359 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13795103 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/795103
Ultrasound probe and method of manufacturing ultrasound probe Mar 11, 2013 Issued
Array ( [id] => 10022541 [patent_doc_number] => 09065036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-23 [patent_title] => 'Vibration-type driving apparatus and image pickup apparatus' [patent_app_type] => utility [patent_app_number] => 13/772891 [patent_app_country] => US [patent_app_date] => 2013-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 24 [patent_no_of_words] => 4960 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13772891 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/772891
Vibration-type driving apparatus and image pickup apparatus Feb 20, 2013 Issued
Array ( [id] => 9000680 [patent_doc_number] => 20130221804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'Sensor Element, Sensor Device, And Electronic Apparatus' [patent_app_type] => utility [patent_app_number] => 13/771489 [patent_app_country] => US [patent_app_date] => 2013-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12651 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13771489 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/771489
Sensor Element, Sensor Device, And Electronic Apparatus Feb 19, 2013 Abandoned
Array ( [id] => 8987364 [patent_doc_number] => 20130214645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-22 [patent_title] => 'PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/771095 [patent_app_country] => US [patent_app_date] => 2013-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10315 [patent_no_of_claims] => 13 [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] => 13771095 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/771095
PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAME Feb 19, 2013 Abandoned
Array ( [id] => 11233998 [patent_doc_number] => 09461235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-04 [patent_title] => 'Elastic wave device and method of manufacturing the device' [patent_app_type] => utility [patent_app_number] => 13/984007 [patent_app_country] => US [patent_app_date] => 2013-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2940 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13984007 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/984007
Elastic wave device and method of manufacturing the device Feb 13, 2013 Issued
Array ( [id] => 9692644 [patent_doc_number] => 08823248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-02 [patent_title] => 'Flexural vibration element and electronic component' [patent_app_type] => utility [patent_app_number] => 13/764208 [patent_app_country] => US [patent_app_date] => 2013-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 25 [patent_no_of_words] => 12169 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13764208 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/764208
Flexural vibration element and electronic component Feb 10, 2013 Issued
Array ( [id] => 11802937 [patent_doc_number] => 09543861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Piezoelectric generator' [patent_app_type] => utility [patent_app_number] => 13/757897 [patent_app_country] => US [patent_app_date] => 2013-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 8062 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13757897 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/757897
Piezoelectric generator Feb 3, 2013 Issued
Array ( [id] => 10099591 [patent_doc_number] => 09135906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Ultrasonic generator' [patent_app_type] => utility [patent_app_number] => 13/753698 [patent_app_country] => US [patent_app_date] => 2013-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4696 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13753698 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/753698
Ultrasonic generator Jan 29, 2013 Issued
Array ( [id] => 8961146 [patent_doc_number] => 20130200748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'PIEZOELECTRIC ACTUATOR INCLUDING Ti/TiOx ADHESIVE LAYER AND ITS MANUFACTURING METHOD' [patent_app_type] => utility [patent_app_number] => 13/751845 [patent_app_country] => US [patent_app_date] => 2013-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 6274 [patent_no_of_claims] => 9 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13751845 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/751845
PIEZOELECTRIC ACTUATOR INCLUDING Ti/TiOx ADHESIVE LAYER AND ITS MANUFACTURING METHOD Jan 27, 2013 Abandoned
Array ( [id] => 10484995 [patent_doc_number] => 20150370014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'METHODS AND APPARATUS TO REMOVE DUST FROM AN OPTICAL WAVEGUIDE ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/763136 [patent_app_country] => US [patent_app_date] => 2013-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7029 [patent_no_of_claims] => 15 [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] => 14763136 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/763136
METHODS AND APPARATUS TO REMOVE DUST FROM AN OPTICAL WAVEGUIDE ASSEMBLY Jan 23, 2013 Abandoned
Array ( [id] => 9300286 [patent_doc_number] => 08648517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-11 [patent_title] => 'Multilayer piezoelectric element and injector using the same' [patent_app_type] => utility [patent_app_number] => 13/728184 [patent_app_country] => US [patent_app_date] => 2012-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 52654 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13728184 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/728184
Multilayer piezoelectric element and injector using the same Dec 26, 2012 Issued
Array ( [id] => 8900963 [patent_doc_number] => 20130168465 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'Multilayer Piezoelectric Element and Injector Using the Same' [patent_app_type] => utility [patent_app_number] => 13/728212 [patent_app_country] => US [patent_app_date] => 2012-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 52573 [patent_no_of_claims] => 21 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13728212 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/728212
Multilayer Piezoelectric Element and Injector Using the Same Dec 26, 2012 Abandoned
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