Search

David J. Czekaj

Supervisory Patent Examiner (ID: 17229, Phone: (571)272-7327 , Office: P/2487 )

Most Active Art Unit
2621
Art Unit(s)
2621, 2616, 2613, 2487, 2483
Total Applications
436
Issued Applications
198
Pending Applications
50
Abandoned Applications
192

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19162658 [patent_doc_number] => 20240155365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => DETERMINATION OF DISTRIBUTION OF WI-FI DEVICES WITHIN A LOCAL NETWORK [patent_app_type] => utility [patent_app_number] => 18/416383 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416383
DETERMINATION OF DISTRIBUTION OF WI-FI DEVICES WITHIN A LOCAL NETWORK Jan 17, 2024 Pending
Array ( [id] => 19287679 [patent_doc_number] => 20240224161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => METHOD AND APPARATUS FOR MANAGING PUBLIC LAND MOBILE NETWORK SELECTION WITH AID OF NETWORK ALIVENESS VALIDATION [patent_app_type] => utility [patent_app_number] => 18/383490 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18383490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383490
METHOD AND APPARATUS FOR MANAGING PUBLIC LAND MOBILE NETWORK SELECTION WITH AID OF NETWORK ALIVENESS VALIDATION Oct 24, 2023 Pending
Array ( [id] => 18843804 [patent_doc_number] => 20230406208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => MIRROR MONITOR USING TWO LEVELS OF REFLECTIVITY AND TRANSMISSIBILITY [patent_app_type] => utility [patent_app_number] => 18/459914 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -54 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18459914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/459914
MIRROR MONITOR USING TWO LEVELS OF REFLECTIVITY AND TRANSMISSIBILITY Aug 31, 2023 Pending
Array ( [id] => 19689263 [patent_doc_number] => 20250007808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => SYSTEMS FOR AND METHODS OF COMMUNICATION IN A NETWORK USING A DATA REQUEST OR RESPONSE [patent_app_type] => utility [patent_app_number] => 18/343529 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343529
SYSTEMS FOR AND METHODS OF COMMUNICATION IN A NETWORK USING A DATA REQUEST OR RESPONSE Jun 27, 2023 Pending
Array ( [id] => 20666690 [patent_doc_number] => 12608465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Bot detection system [patent_app_type] => utility [patent_app_number] => 18/298921 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298921
Bot detection system Apr 10, 2023 Issued
Array ( [id] => 20376239 [patent_doc_number] => 12483690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Video encoding/decoding method and device [patent_app_type] => utility [patent_app_number] => 18/191375 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8838 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18191375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/191375
Video encoding/decoding method and device Mar 27, 2023 Issued
Array ( [id] => 19470347 [patent_doc_number] => 20240324017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => CONTENTION RESOLUTION TECHNIQUES RANDOM ACCESS PROCEDURES [patent_app_type] => utility [patent_app_number] => 18/186908 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18186908 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186908
CONTENTION RESOLUTION TECHNIQUES RANDOM ACCESS PROCEDURES Mar 19, 2023 Pending
Array ( [id] => 20470396 [patent_doc_number] => 12526440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Hierarchical data structure [patent_app_type] => utility [patent_app_number] => 18/179154 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 9849 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179154 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179154
Hierarchical data structure Mar 5, 2023 Issued
Array ( [id] => 20719225 [patent_doc_number] => 12634493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Method for image compression and apparatus for implementing the same [patent_app_type] => utility [patent_app_number] => 18/110226 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 10289 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18110226 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/110226
Method for image compression and apparatus for implementing the same Feb 14, 2023 Issued
Array ( [id] => 20306457 [patent_doc_number] => 12452464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Film grain parameters adaptation based on viewing environment [patent_app_type] => utility [patent_app_number] => 18/721054 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6431 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18721054 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/721054
Film grain parameters adaptation based on viewing environment Dec 18, 2022 Issued
Array ( [id] => 20010367 [patent_doc_number] => 20250148589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => EXCREMENT ANALYSIS APPARATUS, EXCREMENT ANALYSIS METHOD, PRE-COLONOSCOPY STATE CONFIRMATION APPARATUS, STATE CONFIRMATION SYSTEM, STATE CONFIRMATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/694003 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24377 [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] => 18694003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/694003
EXCREMENT ANALYSIS APPARATUS, EXCREMENT ANALYSIS METHOD, PRE-COLONOSCOPY STATE CONFIRMATION APPARATUS, STATE CONFIRMATION SYSTEM, STATE CONFIRMATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM Oct 4, 2022 Pending
Array ( [id] => 19927551 [patent_doc_number] => 12301856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => History-based adaptive interpretation of context coded syntax elements for high bit-depth video coding [patent_app_type] => utility [patent_app_number] => 17/934318 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 18203 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934318
History-based adaptive interpretation of context coded syntax elements for high bit-depth video coding Sep 21, 2022 Issued
Array ( [id] => 19363688 [patent_doc_number] => 20240265722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => METHOD, DEVICE AND STORAGE MEDIUM FOR RECOGNIZING CHART [patent_app_type] => utility [patent_app_number] => 18/566107 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18566107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/566107
METHOD, DEVICE AND STORAGE MEDIUM FOR RECOGNIZING CHART May 22, 2022 Pending
Array ( [id] => 20275841 [patent_doc_number] => 12445628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Bandwidth management using dynamic quality factor adjustments [patent_app_type] => utility [patent_app_number] => 17/649420 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6119 [patent_no_of_claims] => 18 [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] => 17649420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649420
Bandwidth management using dynamic quality factor adjustments Jan 30, 2022 Issued
Array ( [id] => 17320568 [patent_doc_number] => 20210409618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => ELECTRONIC DEVICES HAVING DISPLAYS WITH INFRARED COMPONENTS BEHIND THE DISPLAYS [patent_app_type] => utility [patent_app_number] => 17/469683 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17469683 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/469683
ELECTRONIC DEVICES HAVING DISPLAYS WITH INFRARED COMPONENTS BEHIND THE DISPLAYS Sep 7, 2021 Abandoned
Array ( [id] => 18099176 [patent_doc_number] => 20220417517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => IMAGE DECODING METHOD USING CCLM PREDICTION IN IMAGE CODING SYSTEM, AND APPARATUS THEREFOR [patent_app_type] => utility [patent_app_number] => 17/373522 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 45568 [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] => 17373522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/373522
IMAGE DECODING METHOD USING CCLM PREDICTION IN IMAGE CODING SYSTEM, AND APPARATUS THEREFOR Jul 11, 2021 Abandoned
Array ( [id] => 18587506 [patent_doc_number] => 20230269771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => METHOD FOR IMPROVING PN-NPN COEXISTENCE [patent_app_type] => utility [patent_app_number] => 17/787748 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13976 [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] => 17787748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/787748
METHOD FOR IMPROVING PN-NPN COEXISTENCE Nov 17, 2020 Pending
Array ( [id] => 14590399 [patent_doc_number] => 20190222808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => INSPECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/362874 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16362874 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/362874
INSPECTION DEVICE Mar 24, 2019 Abandoned
Array ( [id] => 14965789 [patent_doc_number] => 20190310373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => OBJECT RANGING BY COORDINATION OF LIGHT PROJECTION WITH ACTIVE PIXEL ROWS OF MULTIPLE CAMERAS [patent_app_type] => utility [patent_app_number] => 15/949713 [patent_app_country] => US [patent_app_date] => 2018-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15949713 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/949713
OBJECT RANGING BY COORDINATION OF LIGHT PROJECTION WITH ACTIVE PIXEL ROWS OF MULTIPLE CAMERAS Apr 9, 2018 Abandoned
Array ( [id] => 15372177 [patent_doc_number] => 20200021853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => SYSTEMS AND METHODS FOR SIGNALING SCALABLE VIDEO IN A MEDIA APPLICATION FORMAT [patent_app_type] => utility [patent_app_number] => 16/494898 [patent_app_country] => US [patent_app_date] => 2018-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16494898 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/494898
SYSTEMS AND METHODS FOR SIGNALING SCALABLE VIDEO IN A MEDIA APPLICATION FORMAT Jan 30, 2018 Abandoned
Menu