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] => 15279545 [patent_doc_number] => 10512421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-24 [patent_title] => Piezoelectric element and bend detecting sensor [patent_app_type] => utility [patent_app_number] => 15/433082 [patent_app_country] => US [patent_app_date] => 2017-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15433082 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/433082
Piezoelectric element and bend detecting sensor Feb 14, 2017 Issued
Array ( [id] => 11628981 [patent_doc_number] => 20170139171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-18 [patent_title] => 'LENS DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/422205 [patent_app_country] => US [patent_app_date] => 2017-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5083 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15422205 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/422205
Lens driving device Jan 31, 2017 Issued
Array ( [id] => 13334667 [patent_doc_number] => 20180218871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => PIEZOELECTRIC VACUUM TRANSISTOR [patent_app_type] => utility [patent_app_number] => 15/418807 [patent_app_country] => US [patent_app_date] => 2017-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15418807 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/418807
Piezoelectric vacuum transistor Jan 29, 2017 Issued
Array ( [id] => 14954595 [patent_doc_number] => 10438573 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Sound generating device [patent_app_type] => utility [patent_app_number] => 15/414991 [patent_app_country] => US [patent_app_date] => 2017-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 5714 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15414991 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/414991
Sound generating device Jan 24, 2017 Issued
Array ( [id] => 13879333 [patent_doc_number] => 20190036007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => HYBRID STRUCTURE FOR A SURFACE ACOUSTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 16/072587 [patent_app_country] => US [patent_app_date] => 2017-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16072587 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/072587
Hybrid structure for a surface acoustic wave device Jan 16, 2017 Issued
Array ( [id] => 15511001 [patent_doc_number] => 10562069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Piezoelectric micromachined ultrasonic transducers using two bonded substrates [patent_app_type] => utility [patent_app_number] => 15/405876 [patent_app_country] => US [patent_app_date] => 2017-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4051 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15405876 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/405876
Piezoelectric micromachined ultrasonic transducers using two bonded substrates Jan 12, 2017 Issued
Array ( [id] => 11608356 [patent_doc_number] => 20170125660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-04 [patent_title] => 'TRANSDUCER WITH PIEZOELECTRIC, CONDUCTIVE AND DIELECTRIC MEMBRANE' [patent_app_type] => utility [patent_app_number] => 15/404989 [patent_app_country] => US [patent_app_date] => 2017-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 18827 [patent_no_of_claims] => 20 [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] => 15404989 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/404989
Transducer with piezoelectric, conductive and dielectric membrane Jan 11, 2017 Issued
Array ( [id] => 15251407 [patent_doc_number] => 10511236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-17 [patent_title] => Piezoelectric device drive circuit and suction apparatus [patent_app_type] => utility [patent_app_number] => 15/403552 [patent_app_country] => US [patent_app_date] => 2017-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5567 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15403552 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/403552
Piezoelectric device drive circuit and suction apparatus Jan 10, 2017 Issued
Array ( [id] => 17396352 [patent_doc_number] => 11245377 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Composite substrate and method of manufacturing composite substrate [patent_app_type] => utility [patent_app_number] => 16/073063 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5173 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 16073063 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/073063
Composite substrate and method of manufacturing composite substrate Jan 5, 2017 Issued
Array ( [id] => 15489393 [patent_doc_number] => 10560065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-11 [patent_title] => Piezoelectric resonator manufacturing method and piezoelectric resonator [patent_app_type] => utility [patent_app_number] => 15/396840 [patent_app_country] => US [patent_app_date] => 2017-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 3541 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15396840 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/396840
Piezoelectric resonator manufacturing method and piezoelectric resonator Jan 2, 2017 Issued
Array ( [id] => 17048234 [patent_doc_number] => 11101425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-24 [patent_title] => Braided piezoelectric element, fabric-like piezoelectric element using braided piezoelectric element, and device using same [patent_app_type] => utility [patent_app_number] => 16/066385 [patent_app_country] => US [patent_app_date] => 2016-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 23491 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16066385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/066385
Braided piezoelectric element, fabric-like piezoelectric element using braided piezoelectric element, and device using same Dec 27, 2016 Issued
Array ( [id] => 12874684 [patent_doc_number] => 20180183403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-28 [patent_title] => CORNER COUPLING RESONATOR ARRAY [patent_app_type] => utility [patent_app_number] => 15/388093 [patent_app_country] => US [patent_app_date] => 2016-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15388093 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/388093
Corner coupling resonator array Dec 21, 2016 Issued
Array ( [id] => 15475777 [patent_doc_number] => 10553776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Ultrasound transducer and processing methods thereof [patent_app_type] => utility [patent_app_number] => 15/387905 [patent_app_country] => US [patent_app_date] => 2016-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 21 [patent_no_of_words] => 5584 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15387905 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/387905
Ultrasound transducer and processing methods thereof Dec 21, 2016 Issued
Array ( [id] => 11746808 [patent_doc_number] => 20170200881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'ELECTRONIC DEVICE AND CONTROL METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 15/388866 [patent_app_country] => US [patent_app_date] => 2016-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10980 [patent_no_of_claims] => 20 [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] => 15388866 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/388866
Electronic device and control method thereof Dec 21, 2016 Issued
Array ( [id] => 15140885 [patent_doc_number] => 10483941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Acoustic wave device and method of manufacturing the same [patent_app_type] => utility [patent_app_number] => 15/388188 [patent_app_country] => US [patent_app_date] => 2016-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 30 [patent_no_of_words] => 6442 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15388188 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/388188
Acoustic wave device and method of manufacturing the same Dec 21, 2016 Issued
Array ( [id] => 14064973 [patent_doc_number] => 10236799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-19 [patent_title] => Driving circuit for piezoelectrically actuated pump [patent_app_type] => utility [patent_app_number] => 15/386762 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3699 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15386762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/386762
Driving circuit for piezoelectrically actuated pump Dec 20, 2016 Issued
Array ( [id] => 15509665 [patent_doc_number] => 10561398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Ultrasound transducer and method for wafer level back face attachment [patent_app_type] => utility [patent_app_number] => 15/385671 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 24 [patent_no_of_words] => 8659 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385671 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385671
Ultrasound transducer and method for wafer level back face attachment Dec 19, 2016 Issued
Array ( [id] => 14334337 [patent_doc_number] => 10298201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Bulk acoustic wave resonator and method for manufacturing the same [patent_app_type] => utility [patent_app_number] => 15/385448 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 6092 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 15385448 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385448
Bulk acoustic wave resonator and method for manufacturing the same Dec 19, 2016 Issued
Array ( [id] => 15664771 [patent_doc_number] => 10596598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Ultrasound transducer and method for wafer level front face attachment [patent_app_type] => utility [patent_app_number] => 15/385620 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 7403 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385620 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385620
Ultrasound transducer and method for wafer level front face attachment Dec 19, 2016 Issued
Array ( [id] => 12850309 [patent_doc_number] => 20180175276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => MICROFABRICATED SELF-SENSING ACTUATOR [patent_app_type] => utility [patent_app_number] => 15/382606 [patent_app_country] => US [patent_app_date] => 2016-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15382606 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/382606
MICROFABRICATED SELF-SENSING ACTUATOR Dec 16, 2016 Abandoned
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