Search

David Thomas Karst

Examiner (ID: 10871, Phone: (571)270-7732 , Office: P/1767 )

Most Active Art Unit
1767
Art Unit(s)
1767, 1796
Total Applications
1136
Issued Applications
657
Pending Applications
125
Abandoned Applications
381

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18927071 [patent_doc_number] => 20240030075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => DIE SEALANT FOR CHIP PACKAGING AND PACKAGING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/307770 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307770
DIE SEALANT FOR CHIP PACKAGING AND PACKAGING STRUCTURE Apr 25, 2023 Abandoned
Array ( [id] => 19902631 [patent_doc_number] => 12279614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Photo-polymerizable, universal antimicrobial coating to produce high-performing, multi-functional face masks [patent_app_type] => utility [patent_app_number] => 18/306615 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 29 [patent_no_of_words] => 13990 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306615
Photo-polymerizable, universal antimicrobial coating to produce high-performing, multi-functional face masks Apr 24, 2023 Issued
Array ( [id] => 20201594 [patent_doc_number] => 12404363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Epoxy resin composition and cured product of same [patent_app_type] => utility [patent_app_number] => 18/857756 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3507 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18857756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/857756
Epoxy resin composition and cured product of same Apr 5, 2023 Issued
Array ( [id] => 18657815 [patent_doc_number] => 20230303774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => PRODUCTION OF BIS-THIOL COMPOUNDS AND USE THEREOF IN THE PRODUCTION OF LIQUID POLYSULFIDE POLYMERS [patent_app_type] => utility [patent_app_number] => 18/181746 [patent_app_country] => US [patent_app_date] => 2023-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18181746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/181746
PRODUCTION OF BIS-THIOL COMPOUNDS AND USE THEREOF IN THE PRODUCTION OF LIQUID POLYSULFIDE POLYMERS Mar 9, 2023 Abandoned
Array ( [id] => 19380905 [patent_doc_number] => 20240270775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Polyphosphazene and moulding compound comprising the polyphosphazene [patent_app_type] => utility [patent_app_number] => 18/166107 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166107
Polyphosphazene and moulding compound comprising the polyphosphazene Feb 7, 2023 Issued
Array ( [id] => 18537718 [patent_doc_number] => 20230242818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => FILM AND LAMINATE [patent_app_type] => utility [patent_app_number] => 18/154876 [patent_app_country] => US [patent_app_date] => 2023-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18154876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154876
FILM AND LAMINATE Jan 15, 2023 Abandoned
Array ( [id] => 18405877 [patent_doc_number] => 20230167228 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => CURABLE COMPOSITION AND FIBER REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 18/096725 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8341 [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] => 18096725 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/096725
Curable composition and fiber reinforced composite material Jan 12, 2023 Issued
Array ( [id] => 18497510 [patent_doc_number] => 20230220155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => AQUEOUS COATINGS MADE FROM POLYHYDROXYALKANOATE (PHA) CAKE [patent_app_type] => utility [patent_app_number] => 18/153729 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153729 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153729
AQUEOUS COATINGS MADE FROM POLYHYDROXYALKANOATE (PHA) CAKE Jan 11, 2023 Pending
Array ( [id] => 19302650 [patent_doc_number] => 20240231229 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => COMPOSITION FOR PREPARING TOP ANTIREFLECTION FILM, TOP ANTIREFLECTION FILM AND FLUORINE-CONTAINING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/548024 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548024
COMPOSITION FOR PREPARING TOP ANTIREFLECTION FILM, TOP ANTIREFLECTION FILM AND FLUORINE-CONTAINING COMPOSITION Dec 29, 2022 Pending
Array ( [id] => 19302650 [patent_doc_number] => 20240231229 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => COMPOSITION FOR PREPARING TOP ANTIREFLECTION FILM, TOP ANTIREFLECTION FILM AND FLUORINE-CONTAINING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/548024 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548024
COMPOSITION FOR PREPARING TOP ANTIREFLECTION FILM, TOP ANTIREFLECTION FILM AND FLUORINE-CONTAINING COMPOSITION Dec 29, 2022 Pending
Array ( [id] => 19050994 [patent_doc_number] => 20240092963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => RESIN COMPOSITION AND ADHESIVE [patent_app_type] => utility [patent_app_number] => 18/091307 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/091307
RESIN COMPOSITION AND ADHESIVE Dec 28, 2022 Abandoned
Array ( [id] => 18485284 [patent_doc_number] => 20230212617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => METHODS AND PREPARATION FOR HEMP BIODEGRADABLE ABSORBENT [patent_app_type] => utility [patent_app_number] => 18/090881 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090881 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090881
METHODS AND PREPARATION FOR HEMP BIODEGRADABLE ABSORBENT Dec 28, 2022 Pending
Array ( [id] => 19785739 [patent_doc_number] => 20250059418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => WASH-RESISTANT COPOLYMER [patent_app_type] => utility [patent_app_number] => 18/723317 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18723317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/723317
WASH-RESISTANT COPOLYMER Dec 21, 2022 Pending
Array ( [id] => 18628968 [patent_doc_number] => 20230287848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => PRECURSOR COMPOSITIONS FOR AN INSULATION AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/064703 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8870 [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] => 18064703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/064703
Precursor compositions for an insulation and related methods Dec 11, 2022 Issued
Array ( [id] => 18271521 [patent_doc_number] => 20230092763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => PLASTIC COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/963085 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17963085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/963085
PLASTIC COMPOSITION Oct 9, 2022 Abandoned
Array ( [id] => 19497536 [patent_doc_number] => 20240336554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Method for the Removal of Water from and Transport of Aliphatic Diamines [patent_app_type] => utility [patent_app_number] => 18/294035 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18294035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294035
Method for the Removal of Water from and Transport of Aliphatic Diamines Sep 18, 2022 Pending
Array ( [id] => 18241541 [patent_doc_number] => 20230073852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => Bio-based Epoxy Coating Compositions and Methods of Preparation Thereof [patent_app_type] => utility [patent_app_number] => 17/929781 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17929781 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929781
Bio-based epoxy coating compositions and methods of preparation thereof Sep 5, 2022 Issued
Array ( [id] => 18240061 [patent_doc_number] => 20230072372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => DYNAMICALLY CROSSLINKABLE POLYMERIC COMPOSITIONS, ARTICLES, AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 17/901677 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901677 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901677
Dynamically crosslinkable polymeric compositions, articles, and methods thereof Aug 31, 2022 Issued
Array ( [id] => 18076561 [patent_doc_number] => 20220402173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => METHOD AND APPARATUS FOR CURING A COMPOSITE ARTICLE [patent_app_type] => utility [patent_app_number] => 17/893939 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893939 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893939
METHOD AND APPARATUS FOR CURING A COMPOSITE ARTICLE Aug 22, 2022 Issued
Array ( [id] => 19012927 [patent_doc_number] => 11919842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Polymercaptan compound and preparation method thereof, curing agent, resin composition and use thereof [patent_app_type] => utility [patent_app_number] => 18/015721 [patent_app_country] => US [patent_app_date] => 2022-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8796 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015721
Polymercaptan compound and preparation method thereof, curing agent, resin composition and use thereof Aug 18, 2022 Issued
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