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] => 13800507 [patent_doc_number] => 20190013792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => ACOUSTIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 15/972694 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972694 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972694
Acoustic resonator and method for manufacturing the same May 6, 2018 Issued
Array ( [id] => 13398431 [patent_doc_number] => 20180250758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => Elliptical ultrasonic machining device powered by non-contact induction [patent_app_type] => utility [patent_app_number] => 15/972110 [patent_app_country] => US [patent_app_date] => 2018-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 1500 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972110 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972110
Elliptical ultrasonic machining device powered by non-contact induction May 4, 2018 Issued
Array ( [id] => 17716836 [patent_doc_number] => 11380837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Piezoelectric device and method for manufacturing piezoelectric device [patent_app_type] => utility [patent_app_number] => 15/948113 [patent_app_country] => US [patent_app_date] => 2018-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 10823 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15948113 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/948113
Piezoelectric device and method for manufacturing piezoelectric device Apr 8, 2018 Issued
Array ( [id] => 17240055 [patent_doc_number] => 11183950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-23 [patent_title] => Control apparatus for vibratory actuator, driving apparatus, imaging apparatus, and method for controlling vibratory actuator [patent_app_type] => utility [patent_app_number] => 15/947585 [patent_app_country] => US [patent_app_date] => 2018-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 11455 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [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] => 15947585 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/947585
Control apparatus for vibratory actuator, driving apparatus, imaging apparatus, and method for controlling vibratory actuator Apr 5, 2018 Issued
Array ( [id] => 13529487 [patent_doc_number] => 20180316286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => VIBRATION ACTUATOR [patent_app_type] => utility [patent_app_number] => 15/945508 [patent_app_country] => US [patent_app_date] => 2018-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15945508 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/945508
Vibration actuator Apr 3, 2018 Issued
Array ( [id] => 13350809 [patent_doc_number] => 20180226944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => CRYSTAL VIBRATION ELEMENT, AND CRYSTAL VIBRATOR EQUIPPED WITH CRYSTAL VIBRATION ELEMENT [patent_app_type] => utility [patent_app_number] => 15/943884 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23455 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15943884 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/943884
Crystal vibration element, and crystal vibrator equipped with crystal vibration element Apr 2, 2018 Issued
Array ( [id] => 13500147 [patent_doc_number] => 20180301616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => ELASTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 15/942594 [patent_app_country] => US [patent_app_date] => 2018-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15942594 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/942594
Elastic wave device Apr 1, 2018 Issued
Array ( [id] => 13471941 [patent_doc_number] => 20180287513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => VIBRATION WAVE MOTOR AND IMAGING DEVICE HAVING VIBRATION WAVE MOTOR [patent_app_type] => utility [patent_app_number] => 15/941807 [patent_app_country] => US [patent_app_date] => 2018-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15941807 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/941807
Vibration wave motor and imaging device having vibration wave motor Mar 29, 2018 Issued
Array ( [id] => 17119041 [patent_doc_number] => 11130154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-28 [patent_title] => Ultrasonic sensor, electronic device using same, and method for making same [patent_app_type] => utility [patent_app_number] => 15/940917 [patent_app_country] => US [patent_app_date] => 2018-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2026 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15940917 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/940917
Ultrasonic sensor, electronic device using same, and method for making same Mar 28, 2018 Issued
Array ( [id] => 16708247 [patent_doc_number] => 10958194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Piezoelectric drive device, piezoelectric motor, robot, electronic component transport apparatus, and printer [patent_app_type] => utility [patent_app_number] => 15/938397 [patent_app_country] => US [patent_app_date] => 2018-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11035 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15938397 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/938397
Piezoelectric drive device, piezoelectric motor, robot, electronic component transport apparatus, and printer Mar 27, 2018 Issued
Array ( [id] => 16707898 [patent_doc_number] => 10957842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Piezoelectric drive device, drive method of piezoelectric drive device, robot, electronic component transport apparatus, printer, and projector [patent_app_type] => utility [patent_app_number] => 15/938311 [patent_app_country] => US [patent_app_date] => 2018-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 12315 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15938311 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/938311
Piezoelectric drive device, drive method of piezoelectric drive device, robot, electronic component transport apparatus, printer, and projector Mar 27, 2018 Issued
Array ( [id] => 13452391 [patent_doc_number] => 20180277738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => Piezoelectric Element, Piezoelectric Device, Ultrasonic Probe And Electronic Apparatus [patent_app_type] => utility [patent_app_number] => 15/935539 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15935539 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935539
Piezoelectric element, piezoelectric device, ultrasonic probe and electronic apparatus Mar 25, 2018 Issued
Array ( [id] => 16739208 [patent_doc_number] => 10964877 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus [patent_app_type] => utility [patent_app_number] => 15/935492 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11679 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15935492 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935492
Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus Mar 25, 2018 Issued
Array ( [id] => 14617925 [patent_doc_number] => 10361675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Quartz crystal blank and quartz crystal resonator unit [patent_app_type] => utility [patent_app_number] => 15/924903 [patent_app_country] => US [patent_app_date] => 2018-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 7374 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15924903 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/924903
Quartz crystal blank and quartz crystal resonator unit Mar 18, 2018 Issued
Array ( [id] => 18105710 [patent_doc_number] => 11545610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Piezoelectric sensor, pressure detecting device, manufacturing methods and detection method [patent_app_type] => utility [patent_app_number] => 15/922016 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 7110 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15922016 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/922016
Piezoelectric sensor, pressure detecting device, manufacturing methods and detection method Mar 14, 2018 Issued
Array ( [id] => 17591290 [patent_doc_number] => 11329576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Power generating element [patent_app_type] => utility [patent_app_number] => 15/918691 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 34 [patent_no_of_words] => 10451 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15918691 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/918691
Power generating element Mar 11, 2018 Issued
Array ( [id] => 16563545 [patent_doc_number] => 10888898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-12 [patent_title] => Shielded ultrasound transducer and imaging system employing the same [patent_app_type] => utility [patent_app_number] => 15/918392 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 10430 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 15918392 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/918392
Shielded ultrasound transducer and imaging system employing the same Mar 11, 2018 Issued
Array ( [id] => 13471011 [patent_doc_number] => 20180287048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => Piezoelectric Element And Piezoelectric Element-Applied Device [patent_app_type] => utility [patent_app_number] => 15/916793 [patent_app_country] => US [patent_app_date] => 2018-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15916793 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/916793
Piezoelectric element and piezoelectric element-applied device Mar 8, 2018 Issued
Array ( [id] => 12919621 [patent_doc_number] => 20180198383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => PIEZOELECTRIC TRANSDUCER FOR AN ENERGY-HARVESTING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/913590 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15913590 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/913590
Piezoelectric transducer for an energy-harvesting system Mar 5, 2018 Issued
Array ( [id] => 13435663 [patent_doc_number] => 20180269374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => PIEZOELECTRIC ELEMENT AND METHOD FOR MANUFACTURING THE SAME AND LIQUID DISCHARGE HEAD [patent_app_type] => utility [patent_app_number] => 15/912223 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15912223 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/912223
PIEZOELECTRIC ELEMENT AND METHOD FOR MANUFACTURING THE SAME AND LIQUID DISCHARGE HEAD Mar 4, 2018 Abandoned
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