Search

Stephen J. Kalafut

Examiner (ID: 16306)

Most Active Art Unit
1745
Art Unit(s)
1111, 1795, 1754, 1745, 1741, 1727, 1107, 1102, 1104
Total Applications
3060
Issued Applications
2491
Pending Applications
181
Abandoned Applications
388

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20361621 [patent_doc_number] => 12477638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Two-stage multiple-color lighting spectra for optimized juvenile poultry production [patent_app_type] => utility [patent_app_number] => 18/281165 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 10122 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281165
Two-stage multiple-color lighting spectra for optimized juvenile poultry production Mar 6, 2022 Issued
Array ( [id] => 17856079 [patent_doc_number] => 20220286122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => CLOCK SELECTOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/685288 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17685288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/685288
Clock selector circuit Mar 1, 2022 Issued
Array ( [id] => 19131658 [patent_doc_number] => 20240137011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => PULSE WIDTH CLOCK TOPOLOGY STRUCTURE CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/278515 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278515
PULSE WIDTH CLOCK TOPOLOGY STRUCTURE CIRCUIT Feb 28, 2022 Abandoned
Array ( [id] => 19131658 [patent_doc_number] => 20240137011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => PULSE WIDTH CLOCK TOPOLOGY STRUCTURE CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/278515 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278515
PULSE WIDTH CLOCK TOPOLOGY STRUCTURE CIRCUIT Feb 28, 2022 Abandoned
Array ( [id] => 18529066 [patent_doc_number] => 11716072 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-01 [patent_title] => Time multiplexing voltage clamping in coil driving circuit for a contactor during quick turn off [patent_app_type] => utility [patent_app_number] => 17/682619 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5278 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [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] => 17682619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682619
Time multiplexing voltage clamping in coil driving circuit for a contactor during quick turn off Feb 27, 2022 Issued
Array ( [id] => 19152496 [patent_doc_number] => 11977407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Glitch-free synchronization and SYSREF windowing and generation scheme [patent_app_type] => utility [patent_app_number] => 17/683185 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5513 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17683185 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683185
Glitch-free synchronization and SYSREF windowing and generation scheme Feb 27, 2022 Issued
Array ( [id] => 18705285 [patent_doc_number] => 11791807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Multi-level pulser circuit and method of operating a multi-level pulser circuit [patent_app_type] => utility [patent_app_number] => 17/676005 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 7182 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17676005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/676005
Multi-level pulser circuit and method of operating a multi-level pulser circuit Feb 17, 2022 Issued
Array ( [id] => 18277551 [patent_doc_number] => 11616505 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-28 [patent_title] => Temperature-compensated low-pass filter [patent_app_type] => utility [patent_app_number] => 17/674666 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3669 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674666 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674666
Temperature-compensated low-pass filter Feb 16, 2022 Issued
Array ( [id] => 19764196 [patent_doc_number] => 12222484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Illumination device for a confocal microscope [patent_app_type] => utility [patent_app_number] => 17/673959 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3679 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673959 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673959
Illumination device for a confocal microscope Feb 16, 2022 Issued
Array ( [id] => 18464891 [patent_doc_number] => 11689191 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => High frequency resolution digital sinusoid generator [patent_app_type] => utility [patent_app_number] => 17/673214 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3994 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673214
High frequency resolution digital sinusoid generator Feb 15, 2022 Issued
Array ( [id] => 18156802 [patent_doc_number] => 11569803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Stagger signal generation circuit [patent_app_type] => utility [patent_app_number] => 17/666750 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 12534 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666750 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666750
Stagger signal generation circuit Feb 7, 2022 Issued
Array ( [id] => 20191091 [patent_doc_number] => 12402229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Controller for controlling a lighting system [patent_app_type] => utility [patent_app_number] => 18/274562 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1205 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274562
Controller for controlling a lighting system Jan 30, 2022 Issued
Array ( [id] => 18432155 [patent_doc_number] => 11677391 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-13 [patent_title] => Low-power multi-domain synchronizer [patent_app_type] => utility [patent_app_number] => 17/585297 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 9780 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [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] => 17585297 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585297
Low-power multi-domain synchronizer Jan 25, 2022 Issued
Array ( [id] => 18332190 [patent_doc_number] => 11637450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Digital demodulation for wireless power transfer and related methods [patent_app_type] => utility [patent_app_number] => 17/647431 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 21396 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 17647431 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647431
Digital demodulation for wireless power transfer and related methods Jan 6, 2022 Issued
Array ( [id] => 17753472 [patent_doc_number] => 20220231677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => DYNAMIC COMPARATOR [patent_app_type] => utility [patent_app_number] => 17/647038 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647038 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647038
Dynamic comparator Jan 4, 2022 Issued
Array ( [id] => 18344774 [patent_doc_number] => 20230132884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => HOT-SWAP CIRCUIT AND CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/646519 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646519
Hot-swap circuit and control apparatus Dec 29, 2021 Issued
Array ( [id] => 19182462 [patent_doc_number] => 11989050 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Multi-chiplet clock delay compensation [patent_app_type] => utility [patent_app_number] => 17/565382 [patent_app_country] => US [patent_app_date] => 2021-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5546 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17565382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565382
Multi-chiplet clock delay compensation Dec 28, 2021 Issued
Array ( [id] => 20217545 [patent_doc_number] => 12414214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Controller for controlling a lighting unit in an area and a method thereof [patent_app_type] => utility [patent_app_number] => 18/271876 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18271876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/271876
Controller for controlling a lighting unit in an area and a method thereof Dec 23, 2021 Issued
Array ( [id] => 17535149 [patent_doc_number] => 20220113758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => SELECTABLE CLOCK SOURCES [patent_app_type] => utility [patent_app_number] => 17/559679 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17559679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559679
Selectable clock sources Dec 21, 2021 Issued
Array ( [id] => 18493244 [patent_doc_number] => 11698659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Integrated circuit and operating method thereof [patent_app_type] => utility [patent_app_number] => 17/559255 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6070 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17559255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559255
Integrated circuit and operating method thereof Dec 21, 2021 Issued
Menu