Search

David J. Czekaj

Supervisory Patent Examiner (ID: 17721, Phone: (571)272-7327 , Office: P/2487 )

Most Active Art Unit
2621
Art Unit(s)
2613, 2483, 2487, 2621, 2616
Total Applications
419
Issued Applications
195
Pending Applications
36
Abandoned Applications
192

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20540455 [patent_doc_number] => 12557544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Organometallic compound, composition including same, organic light-emitting device, and electronic apparatus [patent_app_type] => utility [patent_app_number] => 18/765591 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10737 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 1163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765591
Organometallic compound, composition including same, organic light-emitting device, and electronic apparatus Jul 7, 2024 Issued
Array ( [id] => 18141425 [patent_doc_number] => 20230015267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => METHODS AND APPARATUS FOR A VAPORIZER DEVICE [patent_app_type] => utility [patent_app_number] => 17/707617 [patent_app_country] => US [patent_app_date] => 2022-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17707617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/707617
METHODS AND APPARATUS FOR A VAPORIZER DEVICE Mar 28, 2022 Abandoned
Array ( [id] => 18346989 [patent_doc_number] => 20230135099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => ATOMIZING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/653635 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17653635 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/653635
ATOMIZING APPARATUS Mar 3, 2022 Pending
Array ( [id] => 17827654 [patent_doc_number] => 20220264958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => CONTROL DEVICE, CONTROL METHOD, AND NONVOLATILE COMPUTER READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/685652 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17685652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/685652
CONTROL DEVICE, CONTROL METHOD, AND NONVOLATILE COMPUTER READABLE MEDIUM Mar 2, 2022 Abandoned
Array ( [id] => 18522248 [patent_doc_number] => 20230232896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => MODULARIZED STORAGE CONTAINER [patent_app_type] => utility [patent_app_number] => 17/585143 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17585143 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585143
MODULARIZED STORAGE CONTAINER Jan 25, 2022 Abandoned
Array ( [id] => 17723687 [patent_doc_number] => 20220216409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => Organic Light Emitting Device [patent_app_type] => utility [patent_app_number] => 17/520606 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 695 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/520606
Organic Light Emitting Device Nov 4, 2021 Pending
Array ( [id] => 17611480 [patent_doc_number] => 20220153759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES [patent_app_type] => utility [patent_app_number] => 17/450907 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450907 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450907
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Oct 13, 2021 Pending
Array ( [id] => 20509204 [patent_doc_number] => 12543497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Organic light emitting diode and organic light emitting device including the same [patent_app_type] => utility [patent_app_number] => 17/470807 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 10793 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 409 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17470807 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470807
Organic light emitting diode and organic light emitting device including the same Sep 8, 2021 Issued
Array ( [id] => 16898121 [patent_doc_number] => 20210177037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => ORAL PRODUCT [patent_app_type] => utility [patent_app_number] => 17/186733 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186733 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186733
ORAL PRODUCT Feb 25, 2021 Pending
Array ( [id] => 17827636 [patent_doc_number] => 20220264940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => Hookah Bowl System [patent_app_type] => utility [patent_app_number] => 17/180070 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3860 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180070
Hookah Bowl System Feb 18, 2021 Abandoned
Array ( [id] => 18230073 [patent_doc_number] => 20230069067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => HEATER FOR VAPORIZER DEVICE WITH AIR PREHEATING ELEMENT AND METHOD FOR PRODUCING THE SAME [patent_app_type] => utility [patent_app_number] => 17/791720 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17791720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/791720
HEATER FOR VAPORIZER DEVICE WITH AIR PREHEATING ELEMENT AND METHOD FOR PRODUCING THE SAME Jan 7, 2021 Abandoned
Array ( [id] => 18193395 [patent_doc_number] => 20230046914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => HASHISH PRODUCT HAVING ENHANCED USER EXPERIENCE AND MANUFACTURING PROCEDURE FOR OBTAINING SAME [patent_app_type] => utility [patent_app_number] => 17/786506 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10858 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17786506 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/786506
HASHISH PRODUCT HAVING ENHANCED USER EXPERIENCE AND MANUFACTURING PROCEDURE FOR OBTAINING SAME Dec 15, 2020 Abandoned
Array ( [id] => 16791052 [patent_doc_number] => 20210120869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => SMOKING INSTRUMENT [patent_app_type] => utility [patent_app_number] => 17/079329 [patent_app_country] => US [patent_app_date] => 2020-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17079329 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/079329
SMOKING INSTRUMENT Oct 22, 2020 Abandoned
Array ( [id] => 17502574 [patent_doc_number] => 20220095676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => THERMAL DESORPTION CLEANABLE SMOKING PIPE [patent_app_type] => utility [patent_app_number] => 17/035030 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17035030 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/035030
THERMAL DESORPTION CLEANABLE SMOKING PIPE Sep 27, 2020 Abandoned
Array ( [id] => 17354620 [patent_doc_number] => 20220015416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => Mouthpiece And Holding Device [patent_app_type] => utility [patent_app_number] => 16/929997 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16929997 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/929997
Mouthpiece And Holding Device Jul 14, 2020 Abandoned
Array ( [id] => 18055612 [patent_doc_number] => 20220386698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => INDUCTIVE HEATING ARRANGEMENT WITH SEGMENTED INDUCTIVE HEATING ELEMENT [patent_app_type] => utility [patent_app_number] => 17/624494 [patent_app_country] => US [patent_app_date] => 2020-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17624494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/624494
INDUCTIVE HEATING ARRANGEMENT WITH SEGMENTED INDUCTIVE HEATING ELEMENT Jun 24, 2020 Pending
Array ( [id] => 17297114 [patent_doc_number] => 20210392953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Dual Pod Vaping Device [patent_app_type] => utility [patent_app_number] => 16/905020 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905020 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905020
Dual Pod Vaping Device Jun 17, 2020 Abandoned
Array ( [id] => 17241226 [patent_doc_number] => 20210360969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => CIGAR SUPPORT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/878546 [patent_app_country] => US [patent_app_date] => 2020-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16878546 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/878546
CIGAR SUPPORT SYSTEM May 18, 2020 Abandoned
Array ( [id] => 16388815 [patent_doc_number] => 20200329756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => SYSTEM FOR ROLLING AND FILLING CIGARETTES WITH SMOKABLE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/852095 [patent_app_country] => US [patent_app_date] => 2020-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16852095 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/852095
System for rolling and filling cigarettes with smokable material Apr 16, 2020 Issued
Array ( [id] => 16174812 [patent_doc_number] => 20200221780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => OVERHEAT PROTECTION CIRCUIT, ELECTRONIC CIGARETTE AND ELECTRONIC EQUIPMENT [patent_app_type] => utility [patent_app_number] => 16/742905 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16742905 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742905
OVERHEAT PROTECTION CIRCUIT, ELECTRONIC CIGARETTE AND ELECTRONIC EQUIPMENT Jan 13, 2020 Abandoned
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