Search

David E. Choi

Examiner (ID: 18884, Phone: (571)270-3780 , Office: P/2174 )

Most Active Art Unit
2174
Art Unit(s)
2174, 2173, 2148
Total Applications
778
Issued Applications
591
Pending Applications
55
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11031986 [patent_doc_number] => 20160228942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'MOLD FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/909531 [patent_app_country] => US [patent_app_date] => 2014-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5119 [patent_no_of_claims] => 2 [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] => 14909531 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/909531
MOLD FORMING APPARATUS Sep 16, 2014 Abandoned
Array ( [id] => 10996707 [patent_doc_number] => 20160193653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'Forming a Metal Component' [patent_app_type] => utility [patent_app_number] => 14/909520 [patent_app_country] => US [patent_app_date] => 2014-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14909520 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/909520
Forming a Metal Component Jul 31, 2014 Abandoned
Array ( [id] => 12017786 [patent_doc_number] => 09810482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-07 [patent_title] => 'Inline melt control via RF power' [patent_app_type] => utility [patent_app_number] => 14/445531 [patent_app_country] => US [patent_app_date] => 2014-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 14743 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14445531 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/445531
Inline melt control via RF power Jul 28, 2014 Issued
Array ( [id] => 10978984 [patent_doc_number] => 20160175927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'INSERT PART THAT CAN BE INFILTRATED' [patent_app_type] => utility [patent_app_number] => 14/909017 [patent_app_country] => US [patent_app_date] => 2014-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2306 [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] => 14909017 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/909017
Insert part that can be infiltrated Jul 27, 2014 Issued
Array ( [id] => 12008949 [patent_doc_number] => 09802248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-31 [patent_title] => 'Castings and manufacture methods' [patent_app_type] => utility [patent_app_number] => 14/905904 [patent_app_country] => US [patent_app_date] => 2014-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14905904 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/905904
Castings and manufacture methods Jul 10, 2014 Issued
Array ( [id] => 13105575 [patent_doc_number] => 10071417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Insert for die cast shot sleeve [patent_app_type] => utility [patent_app_number] => 14/912415 [patent_app_country] => US [patent_app_date] => 2014-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2023 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14912415 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/912415
Insert for die cast shot sleeve Jul 8, 2014 Issued
Array ( [id] => 10798267 [patent_doc_number] => 20160144424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'CRYSTALLIZER FOR CONTINUOUS CASTING AND METHOD FOR ITS PRODUCTION' [patent_app_type] => utility [patent_app_number] => 14/901642 [patent_app_country] => US [patent_app_date] => 2014-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4067 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 17 [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] => 14901642 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/901642
CRYSTALLIZER FOR CONTINUOUS CASTING AND METHOD FOR ITS PRODUCTION Jun 29, 2014 Abandoned
Array ( [id] => 10761074 [patent_doc_number] => 20160107227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'METHOD, SYSTEM, AND DEVICE FOR CONTROLLING AUTOMATIC SLAG FEEDING OF CONTINUOUS-CASTING CRYSTALLIZER' [patent_app_type] => utility [patent_app_number] => 14/787034 [patent_app_country] => US [patent_app_date] => 2014-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5594 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [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] => 14787034 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/787034
METHOD, SYSTEM, AND DEVICE FOR CONTROLLING AUTOMATIC SLAG FEEDING OF CONTINUOUS-CASTING CRYSTALLIZER Jun 24, 2014 Abandoned
Array ( [id] => 10820964 [patent_doc_number] => 20160167128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'CLEANING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/908732 [patent_app_country] => US [patent_app_date] => 2014-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6170 [patent_no_of_claims] => 16 [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] => 14908732 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/908732
CLEANING DEVICE Jun 16, 2014 Abandoned
Array ( [id] => 9767233 [patent_doc_number] => 20140290895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-02 [patent_title] => 'METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLERS' [patent_app_type] => utility [patent_app_number] => 14/305721 [patent_app_country] => US [patent_app_date] => 2014-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 6292 [patent_no_of_claims] => 40 [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] => 14305721 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/305721
METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLERS Jun 15, 2014 Abandoned
Array ( [id] => 10467616 [patent_doc_number] => 20150352630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-10 [patent_title] => 'CASTING MOLD OF GRADING WITH SILICON CARBIDE' [patent_app_type] => utility [patent_app_number] => 14/295506 [patent_app_country] => US [patent_app_date] => 2014-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 23117 [patent_no_of_claims] => 24 [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] => 14295506 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/295506
Casting mold of grading with silicon carbide Jun 3, 2014 Issued
Array ( [id] => 11269676 [patent_doc_number] => 20160332223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-17 [patent_title] => 'METHOD FOR PRODUCING AN IMPELLER OF AN EXHAUST GAS TURBOCHARGER AND TIAL ALLOY FOR AN IMPELLER' [patent_app_type] => utility [patent_app_number] => 14/901256 [patent_app_country] => US [patent_app_date] => 2014-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4475 [patent_no_of_claims] => 10 [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] => 14901256 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/901256
METHOD FOR PRODUCING AN IMPELLER OF AN EXHAUST GAS TURBOCHARGER AND TIAL ALLOY FOR AN IMPELLER May 27, 2014 Abandoned
Array ( [id] => 10798269 [patent_doc_number] => 20160144426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'METHOD AND DEVICE FOR CASTING CONNECTORS' [patent_app_type] => utility [patent_app_number] => 14/900456 [patent_app_country] => US [patent_app_date] => 2014-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3017 [patent_no_of_claims] => 21 [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] => 14900456 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/900456
METHOD AND DEVICE FOR CASTING CONNECTORS May 14, 2014 Abandoned
Array ( [id] => 10737662 [patent_doc_number] => 20160083812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'PHYSICAL PROPERTY IMPROVEMENT OF IRON CASTINGS USING CARBON NANOMATERIALS' [patent_app_type] => utility [patent_app_number] => 14/787022 [patent_app_country] => US [patent_app_date] => 2014-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6941 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [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] => 14787022 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/787022
Physical property improvement of iron castings using carbon nanomaterials May 7, 2014 Issued
Array ( [id] => 9685174 [patent_doc_number] => 20140241938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-28 [patent_title] => 'PRECISION CASTING PROCESS' [patent_app_type] => utility [patent_app_number] => 14/268391 [patent_app_country] => US [patent_app_date] => 2014-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8760 [patent_no_of_claims] => 14 [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] => 14268391 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/268391
PRECISION CASTING PROCESS May 1, 2014 Abandoned
Array ( [id] => 9666384 [patent_doc_number] => 20140230247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'ONE-PIECE MANUFACTURING PROCESS' [patent_app_type] => utility [patent_app_number] => 14/260582 [patent_app_country] => US [patent_app_date] => 2014-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5495 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14260582 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/260582
ONE-PIECE MANUFACTURING PROCESS Apr 23, 2014 Abandoned
Array ( [id] => 10736352 [patent_doc_number] => 20160082503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'Apparatus for Continuous Casting' [patent_app_type] => utility [patent_app_number] => 14/786525 [patent_app_country] => US [patent_app_date] => 2014-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5617 [patent_no_of_claims] => 9 [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] => 14786525 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/786525
Apparatus for Continuous Casting Apr 22, 2014 Abandoned
Array ( [id] => 10721623 [patent_doc_number] => 20160067770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-10 [patent_title] => 'Apparatus for Continuous Casting and Method to Assemble Said Apparatus for Continuous Casting' [patent_app_type] => utility [patent_app_number] => 14/786521 [patent_app_country] => US [patent_app_date] => 2014-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4790 [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] => 14786521 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/786521
Apparatus for Continuous Casting and Method to Assemble Said Apparatus for Continuous Casting Apr 22, 2014 Abandoned
Array ( [id] => 10413190 [patent_doc_number] => 20150298200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-22 [patent_title] => 'COATING COMPOUNDS FOR CASTING MOULDS AND CORES THAT PREVENT REACTION GAS DEFECTS' [patent_app_type] => utility [patent_app_number] => 14/257372 [patent_app_country] => US [patent_app_date] => 2014-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8306 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [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] => 14257372 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/257372
COATING COMPOUNDS FOR CASTING MOULDS AND CORES THAT PREVENT REACTION GAS DEFECTS Apr 20, 2014 Abandoned
Array ( [id] => 10677124 [patent_doc_number] => 20160023269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-28 [patent_title] => 'CASTING EQUIPMENT AND CASTING METHOD USING SAME' [patent_app_type] => utility [patent_app_number] => 14/776797 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8151 [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] => 14776797 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/776797
CASTING EQUIPMENT AND CASTING METHOD USING SAME Mar 13, 2014 Abandoned
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