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] => 18657876 [patent_doc_number] => 20230303835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => RESIN COMPOSITION AND ARTICLE MADE THEREFROM [patent_app_type] => utility [patent_app_number] => 17/746727 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17746727 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/746727
Resin composition and article made therefrom May 16, 2022 Issued
Array ( [id] => 18036340 [patent_doc_number] => 20220380555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => FRACTIONATION OF WOODY BIOMASS USING PHENOL-4-SULFONIC ACID (PSA) [patent_app_type] => utility [patent_app_number] => 17/746346 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17746346 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/746346
Fractionation of woody biomass using phenol-4-sulfonic acid (PSA) May 16, 2022 Issued
Array ( [id] => 18005059 [patent_doc_number] => 20220363825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => POLYKETONE POWDER FOR LASER SINTERING [patent_app_type] => utility [patent_app_number] => 17/745169 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17745169 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/745169
Polyketone powder for laser sintering May 15, 2022 Issued
Array ( [id] => 19816942 [patent_doc_number] => 20250075149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Process for Ethoxylation of a Mixture of Straight Chain Fatty Alcohol and Branched Chain Fatty Alcohol in a Single Stage Reaction [patent_app_type] => utility [patent_app_number] => 18/558889 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18558889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/558889
Process for Ethoxylation of a Mixture of Straight Chain Fatty Alcohol and Branched Chain Fatty Alcohol in a Single Stage Reaction May 4, 2022 Pending
Array ( [id] => 18020775 [patent_doc_number] => 20220372274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => RESIN COMPOSITION FOR ENCAPSULATION AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/734325 [patent_app_country] => US [patent_app_date] => 2022-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17734325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/734325
RESIN COMPOSITION FOR ENCAPSULATION AND SEMICONDUCTOR DEVICE May 1, 2022 Abandoned
Array ( [id] => 19897909 [patent_doc_number] => 12275816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Epoxy resin compositions and coating systems [patent_app_type] => utility [patent_app_number] => 17/731580 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9058 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731580 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731580
Epoxy resin compositions and coating systems Apr 27, 2022 Issued
Array ( [id] => 19248815 [patent_doc_number] => 20240199802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => POLYCARBONATE DIOL COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/285980 [patent_app_country] => US [patent_app_date] => 2022-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285980
POLYCARBONATE DIOL COMPOSITION Apr 19, 2022 Pending
Array ( [id] => 19248800 [patent_doc_number] => 20240199787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => METHOD FOR THE PRODUCTION OF AN ISOCYANATE-GROUP TERMINATED POLYOXAZOLIDINONE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/287562 [patent_app_country] => US [patent_app_date] => 2022-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18287562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/287562
METHOD FOR THE PRODUCTION OF AN ISOCYANATE-GROUP TERMINATED POLYOXAZOLIDINONE COMPOSITION Apr 19, 2022 Pending
Array ( [id] => 18987965 [patent_doc_number] => 20240059934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PRESSURE-SENSITIVE ADHESIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/258667 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18258667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258667
PRESSURE-SENSITIVE ADHESIVE COMPOSITION Apr 14, 2022 Pending
Array ( [id] => 17929975 [patent_doc_number] => 20220325100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => HIGH TOUGHNESS ELECTRICALLY CONDUCTIVE PEEK FOR AIRCRAFT FUEL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/713882 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17713882 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/713882
High toughness electrically conductive peek for aircraft fuel system Apr 4, 2022 Issued
Array ( [id] => 17749746 [patent_doc_number] => 20220227951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => PREPREG AND METHOD OF PRODUCING A FIBER-REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 17/713704 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17713704 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/713704
PREPREG AND METHOD OF PRODUCING A FIBER-REINFORCED COMPOSITE MATERIAL Apr 4, 2022 Abandoned
Array ( [id] => 17734875 [patent_doc_number] => 20220220334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => BPA FREE SPRAYABLE EPOXY RESIN [patent_app_type] => utility [patent_app_number] => 17/708085 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17708085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/708085
BPA FREE SPRAYABLE EPOXY RESIN Mar 29, 2022 Abandoned
Array ( [id] => 19217940 [patent_doc_number] => 20240182644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => CURABLE RESIN COMPOSITION AND CURED OBJECT OBTAINED THEREFROM [patent_app_type] => utility [patent_app_number] => 18/284102 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18284102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284102
CURABLE RESIN COMPOSITION AND CURED OBJECT OBTAINED THEREFROM Mar 24, 2022 Pending
Array ( [id] => 19202895 [patent_doc_number] => 20240174794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => POLYESTER AND PRODUCTION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/284723 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18284723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284723
POLYESTER AND PRODUCTION METHOD THEREFOR Mar 24, 2022 Pending
Array ( [id] => 19202916 [patent_doc_number] => 20240174815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => ORGANOPOLYSILOXANE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/282948 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18282948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282948
ORGANOPOLYSILOXANE COMPOSITION Mar 22, 2022 Pending
Array ( [id] => 19832424 [patent_doc_number] => 20250084210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => POLYESTER RESIN [patent_app_type] => utility [patent_app_number] => 18/284668 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18284668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284668
POLYESTER RESIN Mar 21, 2022 Pending
Array ( [id] => 19127320 [patent_doc_number] => 20240132673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => POLYMER WITH IMPROVED FRACTURE TOUGHNESS [patent_app_type] => utility [patent_app_number] => 18/283693 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18283693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283693
POLYMER WITH IMPROVED FRACTURE TOUGHNESS Mar 21, 2022 Pending
Array ( [id] => 18530103 [patent_doc_number] => 20230235172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => RESIN COMPOSITION AND ARTICLE MADE THEREFROM [patent_app_type] => utility [patent_app_number] => 17/697112 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17697112 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697112
Resin composition and article made therefrom Mar 16, 2022 Issued
Array ( [id] => 19187893 [patent_doc_number] => 20240166806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => PROCESS OF CONTINUOUSLY MANUFACTURING A POLY(HYDROXY ACID) COPOLYMER WITH TUNABLE MOLECULAR WEIGHT, STRUCTURE AND COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/282470 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18282470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282470
PROCESS OF CONTINUOUSLY MANUFACTURING A POLY(HYDROXY ACID) COPOLYMER WITH TUNABLE MOLECULAR WEIGHT, STRUCTURE AND COMPOSITION Mar 16, 2022 Pending
Array ( [id] => 19189104 [patent_doc_number] => 20240168017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => COPOLYMER, ANTIBODY-COPOLYMER CONJUGATE PREPARATION KIT, ANTIBODY-COPOLYMER CONJUGATE, METHOD FOR CONCENTRATING ANTIGEN, AND METHOD FOR DETECTING ANTIGEN [patent_app_type] => utility [patent_app_number] => 18/272097 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18272097 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/272097
COPOLYMER, ANTIBODY-COPOLYMER CONJUGATE PREPARATION KIT, ANTIBODY-COPOLYMER CONJUGATE, METHOD FOR CONCENTRATING ANTIGEN, AND METHOD FOR DETECTING ANTIGEN Mar 6, 2022 Pending
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