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] => 13715293 [patent_doc_number] => 20170368601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => Unit Cell Titanium Casting [patent_app_type] => utility [patent_app_number] => 15/628258 [patent_app_country] => US [patent_app_date] => 2017-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15628258 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/628258
Unit Cell Titanium Casting Jun 19, 2017 Abandoned
Array ( [id] => 16041677 [patent_doc_number] => 10682691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-16 [patent_title] => Oxidation resistant shot sleeve for high temperature die casting and method of making [patent_app_type] => utility [patent_app_number] => 15/608735 [patent_app_country] => US [patent_app_date] => 2017-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4157 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608735 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/608735
Oxidation resistant shot sleeve for high temperature die casting and method of making May 29, 2017 Issued
Array ( [id] => 12977080 [patent_doc_number] => 20170341139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-30 [patent_title] => Unit Cell Titanium Casting [patent_app_type] => utility [patent_app_number] => 15/601762 [patent_app_country] => US [patent_app_date] => 2017-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15601762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/601762
Unit Cell Titanium Casting May 21, 2017 Abandoned
Array ( [id] => 14465635 [patent_doc_number] => 20190184457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => SEMI-SOLID SLURRY GENERATOR AND HIGH PRESSURE DIE CASTING METHOD [patent_app_type] => utility [patent_app_number] => 16/099568 [patent_app_country] => US [patent_app_date] => 2017-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16099568 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/099568
SEMI-SOLID SLURRY GENERATOR AND HIGH PRESSURE DIE CASTING METHOD May 15, 2017 Abandoned
Array ( [id] => 12057641 [patent_doc_number] => 20170333985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'Unit Cell Titanium Casting' [patent_app_type] => utility [patent_app_number] => 15/595642 [patent_app_country] => US [patent_app_date] => 2017-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 5113 [patent_no_of_claims] => 19 [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] => 15595642 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/595642
Unit Cell Titanium Casting May 14, 2017 Abandoned
Array ( [id] => 14373225 [patent_doc_number] => 20190160525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-30 [patent_title] => FLASKLESS MOLDING MACHINE [patent_app_type] => utility [patent_app_number] => 16/301797 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12604 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16301797 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/301797
Flaskless molding machine May 11, 2017 Issued
Array ( [id] => 14339925 [patent_doc_number] => 20190151935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => FLASKLESS MOLDING MACHINE [patent_app_type] => utility [patent_app_number] => 16/301814 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16301814 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/301814
FLASKLESS MOLDING MACHINE May 11, 2017 Abandoned
Array ( [id] => 14404895 [patent_doc_number] => 20190168291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => FLASKLESS MOLDING MACHINE [patent_app_type] => utility [patent_app_number] => 16/301824 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16301824 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/301824
Flaskless molding machine May 11, 2017 Issued
Array ( [id] => 12050286 [patent_doc_number] => 20170326631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'Unit Cell Titanium Casting' [patent_app_type] => utility [patent_app_number] => 15/588493 [patent_app_country] => US [patent_app_date] => 2017-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5144 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [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] => 15588493 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/588493
Unit Cell Titanium Casting May 4, 2017 Abandoned
Array ( [id] => 12030032 [patent_doc_number] => 20170320131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-09 [patent_title] => 'Unit Cell Titanium Casting' [patent_app_type] => utility [patent_app_number] => 15/583783 [patent_app_country] => US [patent_app_date] => 2017-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3674 [patent_no_of_claims] => 19 [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] => 15583783 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/583783
Unit Cell Titanium Casting Apr 30, 2017 Abandoned
Array ( [id] => 11850731 [patent_doc_number] => 20170225223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'CASTING MOLD HAVING AT LEAST ONE CAVITY FOR MANUFACTURING AT LEAST ONE CAST ARTICLE' [patent_app_type] => utility [patent_app_number] => 15/498531 [patent_app_country] => US [patent_app_date] => 2017-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4458 [patent_no_of_claims] => 18 [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] => 15498531 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/498531
CASTING MOLD HAVING AT LEAST ONE CAVITY FOR MANUFACTURING AT LEAST ONE CAST ARTICLE Apr 26, 2017 Abandoned
Array ( [id] => 11992934 [patent_doc_number] => 20170297088 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'System and Method for Manufacturing Railcar Coupler Headcores' [patent_app_type] => utility [patent_app_number] => 15/486035 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 8237 [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] => 15486035 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/486035
System and method for manufacturing railcar coupler headcores Apr 11, 2017 Issued
Array ( [id] => 12050290 [patent_doc_number] => 20170326634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'METHOD OF PROVIDING A FIXTURE FOR A CERAMIC ARTICLE, A METHOD OF MACHINING A CERAMIC ARTICLE AND A METHOD OF INVESTMENT CASTING USING A CERAMIC ARTICLE' [patent_app_type] => utility [patent_app_number] => 15/485629 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10753 [patent_no_of_claims] => 23 [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] => 15485629 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/485629
Method of providing a fixture for a ceramic article, a method of machining a ceramic article and a method of investment casting using a ceramic article Apr 11, 2017 Issued
Array ( [id] => 11992937 [patent_doc_number] => 20170297093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'APPARATUS FOR THE AUTOMATIC STARTUP OF A CONTINUOUS CASTING LINE' [patent_app_type] => utility [patent_app_number] => 15/483363 [patent_app_country] => US [patent_app_date] => 2017-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1775 [patent_no_of_claims] => 4 [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] => 15483363 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/483363
APPARATUS FOR THE AUTOMATIC STARTUP OF A CONTINUOUS CASTING LINE Apr 9, 2017 Abandoned
Array ( [id] => 12259800 [patent_doc_number] => 20180078996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Unit Cell Titanium Casting' [patent_app_type] => utility [patent_app_number] => 15/478476 [patent_app_country] => US [patent_app_date] => 2017-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3328 [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] => 15478476 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/478476
Unit Cell Titanium Casting Apr 3, 2017 Abandoned
Array ( [id] => 14183543 [patent_doc_number] => 20190111476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => SYSTEM AND METHOD FOR CONTROLLING THE CASTING OF A PRODUCT [patent_app_type] => utility [patent_app_number] => 16/090641 [patent_app_country] => US [patent_app_date] => 2017-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16090641 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/090641
System and method for controlling the casting of a product Apr 2, 2017 Issued
Array ( [id] => 12030033 [patent_doc_number] => 20170320132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-09 [patent_title] => 'MOULD FOR CASTING A MONOCRYSTALLINE COMPONENT' [patent_app_type] => utility [patent_app_number] => 15/477769 [patent_app_country] => US [patent_app_date] => 2017-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3684 [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] => 15477769 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/477769
Mould for casting a monocrystalline component Apr 2, 2017 Issued
Array ( [id] => 14183539 [patent_doc_number] => 20190111474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => METHOD FOR MOLDING [patent_app_type] => utility [patent_app_number] => 16/087289 [patent_app_country] => US [patent_app_date] => 2017-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16087289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/087289
METHOD FOR MOLDING Mar 15, 2017 Abandoned
Array ( [id] => 11948665 [patent_doc_number] => 20170252815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-07 [patent_title] => 'MONITORING TEMPERATURE WITH SEEBECK EFFECT' [patent_app_type] => utility [patent_app_number] => 15/450751 [patent_app_country] => US [patent_app_date] => 2017-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 38084 [patent_no_of_claims] => 24 [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] => 15450751 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/450751
MONITORING TEMPERATURE WITH SEEBECK EFFECT Mar 5, 2017 Abandoned
Array ( [id] => 11948669 [patent_doc_number] => 20170252820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-07 [patent_title] => 'SEMI-SOLID METALLIC ADDITIVE FABRICATION WITH TEMPERATURE CONTROL USING FORCE FEEDBACK' [patent_app_type] => utility [patent_app_number] => 15/451142 [patent_app_country] => US [patent_app_date] => 2017-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 37688 [patent_no_of_claims] => 22 [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] => 15451142 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/451142
SEMI-SOLID METALLIC ADDITIVE FABRICATION WITH TEMPERATURE CONTROL USING FORCE FEEDBACK Mar 5, 2017 Abandoned
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