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] => 16222821 [patent_doc_number] => 20200247937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => ANHYDROUS ROUTES TO HIGHLY PROCESSABLE COVALENT NETWORK POLYMERS AND BLENDS [patent_app_type] => utility [patent_app_number] => 16/635710 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7443 [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] => 16635710 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635710
Anhydrous routes to highly processable covalent network polymers and blends Sep 5, 2019 Issued
Array ( [id] => 17111948 [patent_doc_number] => 20210292545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => PREPREG [patent_app_type] => utility [patent_app_number] => 17/265370 [patent_app_country] => US [patent_app_date] => 2019-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17265370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/265370
PREPREG Aug 20, 2019 Abandoned
Array ( [id] => 18801388 [patent_doc_number] => 11834540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Curable two-component mass [patent_app_type] => utility [patent_app_number] => 17/268260 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9001 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268260 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268260
Curable two-component mass Aug 18, 2019 Issued
Array ( [id] => 19717410 [patent_doc_number] => 12202933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => High elastic modulus structural foam materials with improved strain to failure [patent_app_type] => utility [patent_app_number] => 17/263741 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9485 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17263741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/263741
High elastic modulus structural foam materials with improved strain to failure Aug 5, 2019 Issued
Array ( [id] => 16977722 [patent_doc_number] => 20210221959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => POLYSILOXANE-POLYALKYLENE GLYCOL BLOCK COPOLYMER AND METHOD OF PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 17/263696 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17263696 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/263696
POLYSILOXANE-POLYALKYLENE GLYCOL BLOCK COPOLYMER AND METHOD OF PRODUCING SAME Aug 5, 2019 Abandoned
Array ( [id] => 15454717 [patent_doc_number] => 20200040183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => THERMOPLASTIC COMPOSITIONS HAVING IMPROVED TOUGHNESS, ARTICLES THEREFROM, AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 16/529578 [patent_app_country] => US [patent_app_date] => 2019-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [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] => 16529578 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/529578
THERMOPLASTIC COMPOSITIONS HAVING IMPROVED TOUGHNESS, ARTICLES THEREFROM, AND METHODS THEREOF Jul 31, 2019 Abandoned
Array ( [id] => 17067474 [patent_doc_number] => 20210269689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => Adhesive Composition [patent_app_type] => utility [patent_app_number] => 17/262524 [patent_app_country] => US [patent_app_date] => 2019-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17262524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/262524
Adhesive composition Jul 24, 2019 Issued
Array ( [id] => 16932648 [patent_doc_number] => 20210198537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => METHOD FOR STRENGTHENING OF METAL STRUCTURES USING TOUGHENED 2C-EPOXY ADHESIVES [patent_app_type] => utility [patent_app_number] => 17/055306 [patent_app_country] => US [patent_app_date] => 2019-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055306 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055306
Method for strengthening of metal structures using toughened 2C-epoxy adhesives Jul 17, 2019 Issued
Array ( [id] => 18428851 [patent_doc_number] => 11674062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Structural adhesive compositions [patent_app_type] => utility [patent_app_number] => 16/507931 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9308 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16507931 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507931
Structural adhesive compositions Jul 9, 2019 Issued
Array ( [id] => 17067457 [patent_doc_number] => 20210269672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => METHOD FOR DESULFURIZATION OF CRUDE SULFATE TURPENTINE [patent_app_type] => utility [patent_app_number] => 17/258827 [patent_app_country] => US [patent_app_date] => 2019-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17258827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/258827
METHOD FOR DESULFURIZATION OF CRUDE SULFATE TURPENTINE Jul 7, 2019 Abandoned
Array ( [id] => 17067401 [patent_doc_number] => 20210269616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => FRACTIONATION AND DEPOLYMERISATION OF LIGNOCELLULOSIC MATERIAL [patent_app_type] => utility [patent_app_number] => 17/255163 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16732 [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] => 17255163 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255163
Fractionation and depolymerisation of lignocellulosic material Jun 24, 2019 Issued
Array ( [id] => 16793075 [patent_doc_number] => 20210122892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => PREPREG AND PRODUCTION METHOD THEREFOR, SLIT TAPE PREPREG, CARBON FIBER-REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 17/253214 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17253214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253214
PREPREG AND PRODUCTION METHOD THEREFOR, SLIT TAPE PREPREG, CARBON FIBER-REINFORCED COMPOSITE MATERIAL Jun 24, 2019 Abandoned
Array ( [id] => 17929923 [patent_doc_number] => 20220325048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => THERMAL CONDUCTIVE SILICONE COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/620688 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17620688 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620688
Thermal conductive silicone composition Jun 20, 2019 Issued
Array ( [id] => 17034264 [patent_doc_number] => 20210251222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => PRESERVATIVE COMPOSITION FOR WOOD BASED ON MODIFIED LIGNIN [patent_app_type] => utility [patent_app_number] => 17/253318 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17253318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253318
Preservative composition for wood based on modified lignin Jun 20, 2019 Issued
Array ( [id] => 17193234 [patent_doc_number] => 11161976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Phenolic epoxy system [patent_app_type] => utility [patent_app_number] => 16/445043 [patent_app_country] => US [patent_app_date] => 2019-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8313 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16445043 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/445043
Phenolic epoxy system Jun 17, 2019 Issued
Array ( [id] => 17052310 [patent_doc_number] => 20210261744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, FIBER-REINFORCED COMPOSITE MATERIAL, AND PRODUCTION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/253674 [patent_app_country] => US [patent_app_date] => 2019-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14616 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17253674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253674
Epoxy resin composition for fiber-reinforced composite material, fiber-reinforced composite material, and production method thereof Jun 16, 2019 Issued
Array ( [id] => 17036885 [patent_doc_number] => 20210253843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/973768 [patent_app_country] => US [patent_app_date] => 2019-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973768 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973768
Epoxy resin composition, prepreg, and fiber-reinforced composite material Jun 16, 2019 Issued
Array ( [id] => 16778179 [patent_doc_number] => 20210115257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => ORGANIC-INORGANIC HYBRID MATERIAL COMPRISING A METAL AND LIGNIN, PROCESSES FOR PREPARING THE SAME AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/252879 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12388 [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] => 17252879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/252879
Organic-inorganic hybrid material comprising a metal and lignin, processes for preparing the same and uses thereof Jun 13, 2019 Issued
Array ( [id] => 16963064 [patent_doc_number] => 20210214563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => COMPOSITION [patent_app_type] => utility [patent_app_number] => 15/734265 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734265 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734265
COMPOSITION Jun 5, 2019 Abandoned
Array ( [id] => 19242055 [patent_doc_number] => 12012474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Composite material and molded composite material [patent_app_type] => utility [patent_app_number] => 15/734328 [patent_app_country] => US [patent_app_date] => 2019-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10031 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734328 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734328
Composite material and molded composite material Jun 4, 2019 Issued
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