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] => 17478287 [patent_doc_number] => 20220085791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => BULK-ACOUSTIC WAVE RESONATOR [patent_app_type] => utility [patent_app_number] => 17/231330 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17231330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/231330
BULK-ACOUSTIC WAVE RESONATOR Apr 14, 2021 Abandoned
Array ( [id] => 17600232 [patent_doc_number] => 20220149806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => BULK ACOUSTIC WAVE RESONATOR [patent_app_type] => utility [patent_app_number] => 17/226317 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17226317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/226317
BULK ACOUSTIC WAVE RESONATOR Apr 8, 2021 Abandoned
Array ( [id] => 19227922 [patent_doc_number] => 12007556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Light deflection device [patent_app_type] => utility [patent_app_number] => 17/226242 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5992 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17226242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/226242
Light deflection device Apr 8, 2021 Issued
Array ( [id] => 17537407 [patent_doc_number] => 20220116016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => BULK ACOUSTIC WAVE RESONATOR [patent_app_type] => utility [patent_app_number] => 17/222018 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17222018 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/222018
Bulk acoustic wave resonator Apr 4, 2021 Issued
Array ( [id] => 18930662 [patent_doc_number] => 11883055 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Ultrasonic surgical instrument with piezoelectric central lumen transducer [patent_app_type] => utility [patent_app_number] => 17/215234 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 32 [patent_no_of_words] => 24868 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 17215234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215234
Ultrasonic surgical instrument with piezoelectric central lumen transducer Mar 28, 2021 Issued
Array ( [id] => 19426235 [patent_doc_number] => 12085643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Transmission circuit and ultrasound diagnosis apparatus [patent_app_type] => utility [patent_app_number] => 17/209644 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 15849 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209644 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209644
Transmission circuit and ultrasound diagnosis apparatus Mar 22, 2021 Issued
Array ( [id] => 19080016 [patent_doc_number] => 11949401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Film bulk acoustic resonator package with thin film sealing structure and manufacturing method therefor [patent_app_type] => utility [patent_app_number] => 17/202802 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 4827 [patent_no_of_claims] => 10 [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] => 17202802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/202802
Film bulk acoustic resonator package with thin film sealing structure and manufacturing method therefor Mar 15, 2021 Issued
Array ( [id] => 19138504 [patent_doc_number] => 11973485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Micromechanical resonator and resonator system including the same [patent_app_type] => utility [patent_app_number] => 17/201576 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5909 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17201576 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/201576
Micromechanical resonator and resonator system including the same Mar 14, 2021 Issued
Array ( [id] => 18840571 [patent_doc_number] => 11848657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Film bulk acoustic resonator and fabrication method thereof [patent_app_type] => utility [patent_app_number] => 17/195987 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 32 [patent_no_of_words] => 12092 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 17195987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195987
Film bulk acoustic resonator and fabrication method thereof Mar 8, 2021 Issued
Array ( [id] => 18339904 [patent_doc_number] => 20230131853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => PIEZOELECTRIC COAXIAL SENSOR AND METHOD FOR MANUFACTURING PIEZOELECTRIC COAXIAL SENSOR [patent_app_type] => utility [patent_app_number] => 17/910236 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17910236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910236
Piezoelectric coaxial sensor and method for manufacturing piezoelectric coaxial sensor Mar 2, 2021 Issued
Array ( [id] => 19261428 [patent_doc_number] => 12021501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Resonator and resonance device [patent_app_type] => utility [patent_app_number] => 17/189832 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 14731 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17189832 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189832
Resonator and resonance device Mar 1, 2021 Issued
Array ( [id] => 16905727 [patent_doc_number] => 20210184643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => FILM BULK ACOUSTIC RESONATOR AND FABRICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/249391 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17249391 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249391
Film bulk acoustic resonator and fabrication method thereof Feb 28, 2021 Issued
Array ( [id] => 18723430 [patent_doc_number] => 11800809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [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] => 17/183631 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11706 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17183631 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/183631
Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus Feb 23, 2021 Issued
Array ( [id] => 16937415 [patent_doc_number] => 20210203304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => RESONATOR AND RESONANCE DEVICE INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 17/181336 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17181336 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/181336
Resonator and resonance device including same Feb 21, 2021 Issued
Array ( [id] => 20457656 [patent_doc_number] => 12520729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Piezoelectric element, piezoelectric vibrator and manufacturing method and driving method thereof, and electronic device [patent_app_type] => utility [patent_app_number] => 17/620529 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1093 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17620529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620529
Piezoelectric element, piezoelectric vibrator and manufacturing method and driving method thereof, and electronic device Feb 21, 2021 Issued
Array ( [id] => 18722088 [patent_doc_number] => 11799448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Digitally tunable acoustic wave resonators [patent_app_type] => utility [patent_app_number] => 17/173919 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3006 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17173919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/173919
Digitally tunable acoustic wave resonators Feb 10, 2021 Issued
Array ( [id] => 19089170 [patent_doc_number] => 11950589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Bat deterrent ultrasonic transducer for wind turbine applications [patent_app_type] => utility [patent_app_number] => 17/173529 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2472 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17173529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/173529
Bat deterrent ultrasonic transducer for wind turbine applications Feb 10, 2021 Issued
Array ( [id] => 19030359 [patent_doc_number] => 11929730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Acoustic wave device and forming method thereof [patent_app_type] => utility [patent_app_number] => 17/172568 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 3072 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17172568 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/172568
Acoustic wave device and forming method thereof Feb 9, 2021 Issued
Array ( [id] => 17042060 [patent_doc_number] => 20210258697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Layered Ferroelectric Sc(x)Al(1-x)N Transducer [patent_app_type] => utility [patent_app_number] => 17/170138 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170138 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170138
Layered Ferroelectric Sc(x)Al(1-x)N Transducer Feb 7, 2021 Abandoned
Array ( [id] => 19024980 [patent_doc_number] => 20240081151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => ELECTROMECHANICAL CONVERSION ELEMENT, METHOD FOR MANUFACTURING SAME, AND LIQUID DISCHARGE HEAD [patent_app_type] => utility [patent_app_number] => 18/272527 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18272527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/272527
ELECTROMECHANICAL CONVERSION ELEMENT, METHOD FOR MANUFACTURING SAME, AND LIQUID DISCHARGE HEAD Feb 4, 2021 Pending
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