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] => 13899833 [patent_doc_number] => 20190039121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => Binder System For Producing A Slurry And Component Produced Using The Slurry [patent_app_type] => utility [patent_app_number] => 16/078976 [patent_app_country] => US [patent_app_date] => 2017-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16078976 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/078976
Binder System For Producing A Slurry And Component Produced Using The Slurry Feb 6, 2017 Abandoned
Array ( [id] => 13871013 [patent_doc_number] => 20190031847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => EPOXY RESIN COMPOSITION, PREPREG AND FIBER REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/072361 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16072361 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/072361
Epoxy resin composition, prepreg and fiber reinforced composite material Jan 5, 2017 Issued
Array ( [id] => 13778221 [patent_doc_number] => 20190002649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => METHODS FOR DYEING ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE AND DYED ARTICLES MADE BY THE SAME [patent_app_type] => utility [patent_app_number] => 16/066454 [patent_app_country] => US [patent_app_date] => 2017-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16066454 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/066454
METHODS FOR DYEING ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE AND DYED ARTICLES MADE BY THE SAME Jan 4, 2017 Abandoned
Array ( [id] => 14277415 [patent_doc_number] => 20190135992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => Method For Producing Super Absorbent Polymer [patent_app_type] => utility [patent_app_number] => 16/094043 [patent_app_country] => US [patent_app_date] => 2016-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16094043 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/094043
Method for producing super absorbent polymer Dec 27, 2016 Issued
Array ( [id] => 16184570 [patent_doc_number] => 10717875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-21 [patent_title] => Comb-like polyetheralkanolamines in inks and coatings [patent_app_type] => utility [patent_app_number] => 15/389472 [patent_app_country] => US [patent_app_date] => 2016-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 11600 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15389472 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/389472
Comb-like polyetheralkanolamines in inks and coatings Dec 22, 2016 Issued
Array ( [id] => 15435725 [patent_doc_number] => 20200032046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => CURABLE COMPOSITION, CURED PRODUCT THEREOF, AND ROTARY DEVICE [patent_app_type] => utility [patent_app_number] => 16/086126 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16086126 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/086126
CURABLE COMPOSITION, CURED PRODUCT THEREOF, AND ROTARY DEVICE Dec 20, 2016 Abandoned
Array ( [id] => 13826891 [patent_doc_number] => 20190016930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => ADHESIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/068206 [patent_app_country] => US [patent_app_date] => 2016-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16068206 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/068206
ADHESIVE COMPOSITION Dec 18, 2016 Abandoned
Array ( [id] => 13209373 [patent_doc_number] => 10119046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-06 [patent_title] => Curing agent for epoxy coatings [patent_app_type] => utility [patent_app_number] => 15/381554 [patent_app_country] => US [patent_app_date] => 2016-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9960 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15381554 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/381554
Curing agent for epoxy coatings Dec 15, 2016 Issued
Array ( [id] => 11691085 [patent_doc_number] => 20170166800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'COMPOSITIONS AND METHODS FOR REDUCING AIR ENTRAINMENT IN WELL CEMENT SLURRIES' [patent_app_type] => utility [patent_app_number] => 15/380263 [patent_app_country] => US [patent_app_date] => 2016-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4338 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15380263 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/380263
COMPOSITIONS AND METHODS FOR REDUCING AIR ENTRAINMENT IN WELL CEMENT SLURRIES Dec 14, 2016 Abandoned
Array ( [id] => 14005747 [patent_doc_number] => 10221311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-05 [patent_title] => Balancing weight composition with excellent extrudability [patent_app_type] => utility [patent_app_number] => 15/376402 [patent_app_country] => US [patent_app_date] => 2016-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3930 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15376402 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/376402
Balancing weight composition with excellent extrudability Dec 11, 2016 Issued
Array ( [id] => 11670181 [patent_doc_number] => 20170158901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-08 [patent_title] => 'CELLULOSE ACETATE FILM FORMING COMPOSITIONS' [patent_app_type] => utility [patent_app_number] => 15/370580 [patent_app_country] => US [patent_app_date] => 2016-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15746 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15370580 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/370580
CELLULOSE ACETATE FILM FORMING COMPOSITIONS Dec 5, 2016 Abandoned
Array ( [id] => 13622463 [patent_doc_number] => 20180362783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => Thermoplastic Screen Printing Paste [patent_app_type] => utility [patent_app_number] => 15/780857 [patent_app_country] => US [patent_app_date] => 2016-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 15780857 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/780857
Thermoplastic screen printing paste Nov 30, 2016 Issued
Array ( [id] => 13590181 [patent_doc_number] => 20180346639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => Epoxy resin, method for producing the epoxy resin, curable resin composition, and cured product thereof [patent_app_type] => utility [patent_app_number] => 15/781261 [patent_app_country] => US [patent_app_date] => 2016-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15781261 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/781261
Epoxy resin, method for producing the epoxy resin, curable resin composition, and cured product thereof Nov 16, 2016 Abandoned
Array ( [id] => 15008583 [patent_doc_number] => 10450407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-22 [patent_title] => Coated particles [patent_app_type] => utility [patent_app_number] => 15/349491 [patent_app_country] => US [patent_app_date] => 2016-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14242 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15349491 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/349491
Coated particles Nov 10, 2016 Issued
Array ( [id] => 17178438 [patent_doc_number] => 11155673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Controlled glass transition polymeric material and method [patent_app_type] => utility [patent_app_number] => 15/773804 [patent_app_country] => US [patent_app_date] => 2016-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7830 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15773804 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/773804
Controlled glass transition polymeric material and method Nov 10, 2016 Issued
Array ( [id] => 11691084 [patent_doc_number] => 20170166799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'Defoaming Compositions and Processes for Cementing Applications' [patent_app_type] => utility [patent_app_number] => 15/332285 [patent_app_country] => US [patent_app_date] => 2016-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3830 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15332285 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/332285
Defoaming Compositions and Processes for Cementing Applications Oct 23, 2016 Abandoned
Array ( [id] => 11561848 [patent_doc_number] => 09624420 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-04-18 [patent_title] => 'Foam stabilizer composition, foamed cement slurry and additive composition thereof' [patent_app_type] => utility [patent_app_number] => 15/296908 [patent_app_country] => US [patent_app_date] => 2016-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6576 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15296908 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/296908
Foam stabilizer composition, foamed cement slurry and additive composition thereof Oct 17, 2016 Issued
Array ( [id] => 11421413 [patent_doc_number] => 20170029558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'STORAGE STABLE HEAT ACTIVATED QUATERNARY AMMONIUM CATALYSTS FOR EPOXY CURE' [patent_app_type] => utility [patent_app_number] => 15/293864 [patent_app_country] => US [patent_app_date] => 2016-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5280 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15293864 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/293864
Storage stable heat activated quaternary ammonium catalysts for epoxy cure Oct 13, 2016 Issued
Array ( [id] => 15727053 [patent_doc_number] => 10611949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-07 [patent_title] => Encapsulated activator and its use to trigger a gelling system by physical means [patent_app_type] => utility [patent_app_number] => 15/292277 [patent_app_country] => US [patent_app_date] => 2016-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3591 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15292277 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/292277
Encapsulated activator and its use to trigger a gelling system by physical means Oct 12, 2016 Issued
Array ( [id] => 13733375 [patent_doc_number] => 20180371155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => PROCESS FOR PRODUCING ALUMINUM-CHELATE-BASED LATENT CURING AGENT, AND THERMOSETTING EPOXY RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/061153 [patent_app_country] => US [patent_app_date] => 2016-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16061153 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/061153
Process for producing aluminum-chelate-based latent curing agent, and thermosetting epoxy resin composition Oct 11, 2016 Issued
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