Search

Devon C. Kramer

Supervisory Patent Examiner (ID: 3424, Phone: (571)272-7118 , Office: P/3746 )

Most Active Art Unit
3683
Art Unit(s)
3741, 3683, 3746, 3613
Total Applications
1041
Issued Applications
673
Pending Applications
85
Abandoned Applications
284

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18579487 [patent_doc_number] => 11736031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Unfolder-based single-stage AC-AC conversion system [patent_app_type] => utility [patent_app_number] => 17/968701 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9514 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968701 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968701
Unfolder-based single-stage AC-AC conversion system Oct 17, 2022 Issued
Array ( [id] => 18377748 [patent_doc_number] => 20230152835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => Current Reference Circuit [patent_app_type] => utility [patent_app_number] => 18/046956 [patent_app_country] => US [patent_app_date] => 2022-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18046956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/046956
Current reference circuit Oct 16, 2022 Issued
Array ( [id] => 19671414 [patent_doc_number] => 12184190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 17/965271 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8883 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17965271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/965271
Power conversion device Oct 12, 2022 Issued
Array ( [id] => 18309725 [patent_doc_number] => 20230113625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => RC SNUBBER NETWORK [patent_app_type] => utility [patent_app_number] => 17/963343 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17963343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/963343
RC snubber network Oct 10, 2022 Issued
Array ( [id] => 19341782 [patent_doc_number] => 12051982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Method of clamping output current of three-phase power converter [patent_app_type] => utility [patent_app_number] => 17/961800 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 4661 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961800 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961800
Method of clamping output current of three-phase power converter Oct 6, 2022 Issued
Array ( [id] => 19415288 [patent_doc_number] => 12081132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Power supply device with high efficiency [patent_app_type] => utility [patent_app_number] => 17/938398 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3323 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938398 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/938398
Power supply device with high efficiency Oct 5, 2022 Issued
Array ( [id] => 19720774 [patent_doc_number] => 12206322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Control method and power controller for power factor correction [patent_app_type] => utility [patent_app_number] => 17/938067 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3132 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/938067
Control method and power controller for power factor correction Oct 4, 2022 Issued
Array ( [id] => 19611293 [patent_doc_number] => 12160177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Circuit arrangement for a resonant converter [patent_app_type] => utility [patent_app_number] => 17/959407 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6975 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959407
Circuit arrangement for a resonant converter Oct 3, 2022 Issued
Array ( [id] => 18632407 [patent_doc_number] => 20230291318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => SWITCH MODE POWER SUPPLY CIRCUIT WITH HIGH VOLTAGE OUTPUT, AND ELECTROSTATIC SPRAY APPARATUS AND AGRICULTURAL PLANT PROTECTION APPARATUS USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/959611 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959611 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959611
Switch mode power supply circuit with high voltage output, and electrostatic spray apparatus and agricultural plant protection apparatus using the same Oct 3, 2022 Issued
Array ( [id] => 18346678 [patent_doc_number] => 20230134788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => ELECTRICAL POWER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/956968 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956968
Electrical power system Sep 29, 2022 Issued
Array ( [id] => 18363200 [patent_doc_number] => 20230144791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => POWER FACTOR CORRECTION CONVERTER, CONTROLLER AND DIGITAL PEAK-HOLD CIRCUIT THEREOF [patent_app_type] => utility [patent_app_number] => 17/937337 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937337 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937337
Power factor correction converter, controller and digital peak-hold circuit thereof Sep 29, 2022 Issued
Array ( [id] => 19971079 [patent_doc_number] => 12339689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Voltage regulator for providing a stable output voltage in an implantable stimulator device [patent_app_type] => utility [patent_app_number] => 17/937307 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 1151 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937307
Voltage regulator for providing a stable output voltage in an implantable stimulator device Sep 29, 2022 Issued
Array ( [id] => 18310054 [patent_doc_number] => 20230113954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => POWER CONVERTER AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/956804 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956804 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956804
Power converter and operation method thereof Sep 28, 2022 Issued
Array ( [id] => 18440750 [patent_doc_number] => 20230188046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => CONVERTERS AND CONTROL METHODS OF ZERO-VOLTAGE SWITCHING AND QUASI-RESONANT SWITCHING [patent_app_type] => utility [patent_app_number] => 17/956442 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956442 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956442
Converters and control methods of zero-voltage switching and quasi-resonant switching Sep 28, 2022 Issued
Array ( [id] => 20197323 [patent_doc_number] => 20250274033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => METHOD FOR ACTUATING A FIRST AND A SECOND SWITCH ELEMENT OF A HALF-BRIDGE IN A CURRENT CONVERTER, AND CURRENT CONVERTER HAVING A HALF-BRIDGE [patent_app_type] => utility [patent_app_number] => 18/710363 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18710363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/710363
METHOD FOR ACTUATING A FIRST AND A SECOND SWITCH ELEMENT OF A HALF-BRIDGE IN A CURRENT CONVERTER, AND CURRENT CONVERTER HAVING A HALF-BRIDGE Sep 28, 2022 Pending
Array ( [id] => 19605558 [patent_doc_number] => 20240396438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => POWER FACTOR CORRECTION CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/694377 [patent_app_country] => US [patent_app_date] => 2022-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7018 [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] => 18694377 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/694377
Power factor correction circuit Sep 15, 2022 Issued
Array ( [id] => 19874182 [patent_doc_number] => 12267058 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Adaptive-bias MOS impedance for reduced-area RC filter [patent_app_type] => utility [patent_app_number] => 17/942093 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6788 [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] => 17942093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/942093
Adaptive-bias MOS impedance for reduced-area RC filter Sep 8, 2022 Issued
Array ( [id] => 19856907 [patent_doc_number] => 12259741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Statistical array voltage divider [patent_app_type] => utility [patent_app_number] => 17/942013 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6576 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17942013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/942013
Statistical array voltage divider Sep 8, 2022 Issued
Array ( [id] => 18325197 [patent_doc_number] => 20230123325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Efficient Switching for Converter Circuit [patent_app_type] => utility [patent_app_number] => 17/940492 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940492 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940492
Efficient switching for converter circuit Sep 7, 2022 Issued
Array ( [id] => 18250437 [patent_doc_number] => 20230077476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => RESONANT PARALLEL TRIPLE ACTIVE BRIDGE CONVERTER [patent_app_type] => utility [patent_app_number] => 17/939315 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17939315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/939315
Resonant parallel triple active bridge converter Sep 6, 2022 Issued
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