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] => 17733740 [patent_doc_number] => 20220219199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => A SYSTEM AND A METHOD FOR CLEANING A DEVICE [patent_app_type] => utility [patent_app_number] => 17/614997 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17614997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/614997
System and a method for cleaning a device May 25, 2020 Issued
Array ( [id] => 20082760 [patent_doc_number] => 12356863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Piezoelectric element [patent_app_type] => utility [patent_app_number] => 17/615574 [patent_app_country] => US [patent_app_date] => 2020-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17615574 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/615574
Piezoelectric element May 24, 2020 Issued
Array ( [id] => 16284337 [patent_doc_number] => 20200277939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => METHOD AND APPARATUS FOR HARVESTING ENERGY BASED ON THE RANDOM OCCURRENCE OF COMMON DIRECTION MOLECULES [patent_app_type] => utility [patent_app_number] => 16/877423 [patent_app_country] => US [patent_app_date] => 2020-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16877423 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/877423
METHOD AND APPARATUS FOR HARVESTING ENERGY BASED ON THE RANDOM OCCURRENCE OF COMMON DIRECTION MOLECULES May 17, 2020 Abandoned
Array ( [id] => 16397892 [patent_doc_number] => 20200338750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => SOFT, ADAPTIVE, SELF-CLEANING ELECTROSTATIC GECKO-LIKE ADHESIVE AND GRIPPER [patent_app_type] => utility [patent_app_number] => 16/856515 [patent_app_country] => US [patent_app_date] => 2020-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16856515 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/856515
Soft, adaptive, self-cleaning electrostatic gecko-like adhesive and gripper Apr 22, 2020 Issued
Array ( [id] => 17753012 [patent_doc_number] => 20220231217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => ELECTROMECHANICAL ACTUATOR HAVING CERAMIC INSULATION AND METHOD FOR PRODUCTION THEREOF [patent_app_type] => utility [patent_app_number] => 17/606327 [patent_app_country] => US [patent_app_date] => 2020-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606327
Electromechanical actuator having ceramic insulation and method for production thereof Apr 6, 2020 Issued
Array ( [id] => 16296713 [patent_doc_number] => 20200282436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => MULTI-FREQUENCY REDUCTION OF FLUID DROPLET [patent_app_type] => utility [patent_app_number] => 16/827344 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827344 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827344
Multi-frequency reduction of fluid droplet Mar 22, 2020 Issued
Array ( [id] => 18016968 [patent_doc_number] => 11509281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Acoustic wave device [patent_app_type] => utility [patent_app_number] => 16/823440 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 16894 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 390 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16823440 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/823440
Acoustic wave device Mar 18, 2020 Issued
Array ( [id] => 16333128 [patent_doc_number] => 20200304094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ACOUSTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 16/823439 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 686 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16823439 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/823439
Acoustic wave device Mar 18, 2020 Issued
Array ( [id] => 18579544 [patent_doc_number] => 11736088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Film bulk acoustic resonator with spurious resonance suppression [patent_app_type] => utility [patent_app_number] => 16/820625 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 49 [patent_no_of_words] => 19316 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 16820625 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820625
Film bulk acoustic resonator with spurious resonance suppression Mar 15, 2020 Issued
Array ( [id] => 16164561 [patent_doc_number] => 20200220513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => WIRELESS COMMUNICATION INFRASTRUCTURE SYSTEM CONFIGURED WITH A SINGLE CRYSTAL PIEZO RESONATOR AND FILTER STRUCTURE USING THIN FILM TRANSFER PROCESS [patent_app_type] => utility [patent_app_number] => 16/818841 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22135 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818841 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818841
WIRELESS COMMUNICATION INFRASTRUCTURE SYSTEM CONFIGURED WITH A SINGLE CRYSTAL PIEZO RESONATOR AND FILTER STRUCTURE USING THIN FILM TRANSFER PROCESS Mar 12, 2020 Abandoned
Array ( [id] => 18073935 [patent_doc_number] => 11532779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Piezoelectric element [patent_app_type] => utility [patent_app_number] => 16/815231 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 7857 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 16815231 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/815231
Piezoelectric element Mar 10, 2020 Issued
Array ( [id] => 18208622 [patent_doc_number] => 20230054881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => Solid-State Quantum Memory [patent_app_type] => utility [patent_app_number] => 17/799560 [patent_app_country] => US [patent_app_date] => 2020-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17799560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799560
Solid-State Quantum Memory Mar 8, 2020 Abandoned
Array ( [id] => 18217436 [patent_doc_number] => 11592366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Ultrasound system for shearing cellular material in a microplate [patent_app_type] => utility [patent_app_number] => 16/801087 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 28 [patent_no_of_words] => 11129 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16801087 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/801087
Ultrasound system for shearing cellular material in a microplate Feb 24, 2020 Issued
Array ( [id] => 16654058 [patent_doc_number] => 10931256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Joined body and elastic wave element [patent_app_type] => utility [patent_app_number] => 16/797648 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5607 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 16797648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/797648
Joined body and elastic wave element Feb 20, 2020 Issued
Array ( [id] => 18521168 [patent_doc_number] => 11711067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Micromachined ultrasound transducer using multiple piezoelectric materials [patent_app_type] => utility [patent_app_number] => 16/794099 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3216 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794099 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794099
Micromachined ultrasound transducer using multiple piezoelectric materials Feb 17, 2020 Issued
Array ( [id] => 18892871 [patent_doc_number] => 11871664 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-09 [patent_title] => Staggering of openings in electrodes for crack mitigation [patent_app_type] => utility [patent_app_number] => 16/790537 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3899 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790537 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790537
Staggering of openings in electrodes for crack mitigation Feb 12, 2020 Issued
Array ( [id] => 19583092 [patent_doc_number] => 12149225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Piezoelectric vibrating device [patent_app_type] => utility [patent_app_number] => 17/429914 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 16914 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17429914 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429914
Piezoelectric vibrating device Feb 11, 2020 Issued
Array ( [id] => 17567369 [patent_doc_number] => 20220131518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => CRYSTAL VIBRATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/429922 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9616 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17429922 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429922
Crystal vibration device Jan 29, 2020 Issued
Array ( [id] => 19509519 [patent_doc_number] => 12120961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Sensor comprising an interconnect having a carrier film [patent_app_type] => utility [patent_app_number] => 17/428347 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 31 [patent_no_of_words] => 6236 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17428347 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/428347
Sensor comprising an interconnect having a carrier film Jan 20, 2020 Issued
Array ( [id] => 19509046 [patent_doc_number] => 12120483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Audio device [patent_app_type] => utility [patent_app_number] => 17/424257 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 13366 [patent_no_of_claims] => 19 [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] => 17424257 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424257
Audio device Jan 19, 2020 Issued
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