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] => 15657741 [patent_doc_number] => 20200091401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => Thin-film Piezoelectric-material Element, Method of Manufacturing the Same, Head Gimbal Assembly and Hard Disk Drive [patent_app_type] => utility [patent_app_number] => 16/136243 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16136243 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/136243
Thin-film piezoelectric-material element, method of manufacturing the same, head gimbal assembly and hard disk drive Sep 18, 2018 Issued
Array ( [id] => 14079929 [patent_doc_number] => 20190088852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => PIEZOELECTRIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/132493 [patent_app_country] => US [patent_app_date] => 2018-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16132493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/132493
PIEZOELECTRIC DEVICE Sep 16, 2018 Abandoned
Array ( [id] => 14904899 [patent_doc_number] => 20190296215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => MULTILAYER ULTRASONIC TRANSDUCER AND ULTRASONIC INSPECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/131588 [patent_app_country] => US [patent_app_date] => 2018-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16131588 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/131588
Multilayer ultrasonic transducer and ultrasonic inspection device Sep 13, 2018 Issued
Array ( [id] => 13786975 [patent_doc_number] => 20190007026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => GALLIUM NITRIDE STRUCTURE, PIEZOELECTRIC ELEMENT, METHOD OF MANUFACTURING PIEZOELECTRIC ELEMENT, AND RESONATOR USING PIEZOELECTRIC ELEMENT [patent_app_type] => utility [patent_app_number] => 16/126248 [patent_app_country] => US [patent_app_date] => 2018-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16126248 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/126248
Gallium nitride structure, piezoelectric element, method of manufacturing piezoelectric element, and resonator using piezoelectric element Sep 9, 2018 Issued
Array ( [id] => 17048233 [patent_doc_number] => 11101424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-24 [patent_title] => Ultrasound transducer and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 16/100279 [patent_app_country] => US [patent_app_date] => 2018-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5226 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16100279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/100279
Ultrasound transducer and manufacturing method thereof Aug 9, 2018 Issued
Array ( [id] => 14191633 [patent_doc_number] => 20190115522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => PIEZOELECTRIC TACTILE SENSOR AND KEYBOARD DEVICE [patent_app_type] => utility [patent_app_number] => 16/057543 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16057543 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057543
PIEZOELECTRIC TACTILE SENSOR AND KEYBOARD DEVICE Aug 6, 2018 Abandoned
Array ( [id] => 13848387 [patent_doc_number] => 20190027678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => MULTILAYER PIEZOELECTRIC ELEMENT, PIEZOELECTRIC VIBRATION APPARATUS, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/034236 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16034236 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/034236
Multilayer piezoelectric element, piezoelectric vibration apparatus, and electronic device Jul 11, 2018 Issued
Array ( [id] => 13799841 [patent_doc_number] => 20190013459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => FILM STRUCTURE BODY AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 16/027574 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16027574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027574
Film structure body and method for manufacturing the same Jul 4, 2018 Issued
Array ( [id] => 18994247 [patent_doc_number] => 11911062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Transducer for ultrasonic scalpel [patent_app_type] => utility [patent_app_number] => 16/649069 [patent_app_country] => US [patent_app_date] => 2018-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2635 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16649069 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/649069
Transducer for ultrasonic scalpel Jul 1, 2018 Issued
Array ( [id] => 16516655 [patent_doc_number] => 20200395913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => PIEZOELECTRIC SUBSTRATE AND SURFACE ACOUSTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 16/311384 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16311384 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311384
PIEZOELECTRIC SUBSTRATE AND SURFACE ACOUSTIC WAVE DEVICE Jun 28, 2018 Abandoned
Array ( [id] => 14563069 [patent_doc_number] => 20190209140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => ULTRASONIC PROBE [patent_app_type] => utility [patent_app_number] => 16/013868 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16013868 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013868
ULTRASONIC PROBE Jun 19, 2018 Abandoned
Array ( [id] => 13741081 [patent_doc_number] => 20180375010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => MULTILAYER PIEZOELECTRIC ELEMENT, PIEZOELECTRIC VIBRATION APPARATUS, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/011286 [patent_app_country] => US [patent_app_date] => 2018-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16011286 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/011286
Multilayer piezoelectric element, piezoelectric vibration apparatus, and electronic device Jun 17, 2018 Issued
Array ( [id] => 17956543 [patent_doc_number] => 11482658 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-25 [patent_title] => Piezoelectric rotary optical mount [patent_app_type] => utility [patent_app_number] => 16/001746 [patent_app_country] => US [patent_app_date] => 2018-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 6033 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 16001746 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/001746
Piezoelectric rotary optical mount Jun 5, 2018 Issued
Array ( [id] => 16848025 [patent_doc_number] => 20210148770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => MULTI-MODAL SENSING TRANSDUCERS [patent_app_type] => utility [patent_app_number] => 16/618997 [patent_app_country] => US [patent_app_date] => 2018-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16618997 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/618997
Multi-modal sensing transducers Jun 5, 2018 Issued
Array ( [id] => 13964221 [patent_doc_number] => 20190058455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => BULK-ACOUSTIC WAVE RESONATOR [patent_app_type] => utility [patent_app_number] => 15/996921 [patent_app_country] => US [patent_app_date] => 2018-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15996921 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/996921
Bulk-acoustic wave resonator Jun 3, 2018 Issued
Array ( [id] => 13582233 [patent_doc_number] => 20180342665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => PIEZOELECTRIC DEVICE, LIQUID DISCHARGING HEAD, AND LIQUID DISCHARGING APPARATUS [patent_app_type] => utility [patent_app_number] => 15/991451 [patent_app_country] => US [patent_app_date] => 2018-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15991451 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/991451
PIEZOELECTRIC DEVICE, LIQUID DISCHARGING HEAD, AND LIQUID DISCHARGING APPARATUS May 28, 2018 Abandoned
Array ( [id] => 13452393 [patent_doc_number] => 20180277739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => SPURIOUS MODE SUPPRESSION IN BULK ACOUSTIC WAVE RESONATOR [patent_app_type] => utility [patent_app_number] => 15/989950 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15989950 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/989950
Spurious mode suppression in bulk acoustic wave resonator May 24, 2018 Issued
Array ( [id] => 17638326 [patent_doc_number] => 11349063 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Multi-element piezo sensor for in-bed physiological measurements [patent_app_type] => utility [patent_app_number] => 15/986643 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 8771 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15986643 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/986643
Multi-element piezo sensor for in-bed physiological measurements May 21, 2018 Issued
Array ( [id] => 17623428 [patent_doc_number] => 11342494 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Piezoelectric actuator and piezoelectric actuating plate thereof [patent_app_type] => utility [patent_app_number] => 15/973976 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4720 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15973976 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/973976
Piezoelectric actuator and piezoelectric actuating plate thereof May 7, 2018 Issued
Array ( [id] => 13549815 [patent_doc_number] => 20180326455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => MOUNTING STRUCTURE, ULTRASONIC DEVICE, ULTRASONIC PROBE, ULTRASONIC APPARATUS, AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 15/973852 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15973852 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/973852
Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus May 7, 2018 Issued
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