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] => 11224758 [patent_doc_number] => 09452469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-27 [patent_title] => 'Method for the production of a hollow metal part by means of casting' [patent_app_type] => utility [patent_app_number] => 14/394715 [patent_app_country] => US [patent_app_date] => 2013-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3133 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14394715 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/394715
Method for the production of a hollow metal part by means of casting Apr 10, 2013 Issued
Array ( [id] => 8841318 [patent_doc_number] => 20130136946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-30 [patent_title] => 'Method Of Manufacturing A Workpiece With Multiple Metal Layers' [patent_app_type] => utility [patent_app_number] => 13/747833 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8423 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 7 [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] => 13747833 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747833
Method Of Manufacturing A Workpiece With Multiple Metal Layers Jan 22, 2013 Abandoned
Array ( [id] => 9612793 [patent_doc_number] => 20140202650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'QUASI SELF-DESTRUCTIVE CORE FOR INVESTMENT CASTING' [patent_app_type] => utility [patent_app_number] => 13/747653 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2166 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 8 [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] => 13747653 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747653
QUASI SELF-DESTRUCTIVE CORE FOR INVESTMENT CASTING Jan 22, 2013 Abandoned
Array ( [id] => 9612794 [patent_doc_number] => 20140202651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'METHODS FOR SAND CORE GAS EVACUATION AND RELATED SYSTEMS AND APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/746558 [patent_app_country] => US [patent_app_date] => 2013-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4088 [patent_no_of_claims] => 20 [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] => 13746558 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/746558
Methods for sand core gas evacuation and related systems and apparatus Jan 21, 2013 Issued
Array ( [id] => 9593973 [patent_doc_number] => 20140190650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-10 [patent_title] => 'MODULAR CASTING SPRUE ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 13/735778 [patent_app_country] => US [patent_app_date] => 2013-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3784 [patent_no_of_claims] => 21 [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] => 13735778 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/735778
Modular casting sprue assembly Jan 6, 2013 Issued
Array ( [id] => 10648660 [patent_doc_number] => 09364889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-14 [patent_title] => 'Foam pattern techniques' [patent_app_type] => utility [patent_app_number] => 13/734358 [patent_app_country] => US [patent_app_date] => 2013-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 9493 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13734358 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/734358
Foam pattern techniques Jan 3, 2013 Issued
Array ( [id] => 9565096 [patent_doc_number] => 20140182809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'MULLITE-CONTAINING INVESTMENT CASTING CORE' [patent_app_type] => utility [patent_app_number] => 13/729077 [patent_app_country] => US [patent_app_date] => 2012-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2398 [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] => 13729077 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/729077
MULLITE-CONTAINING INVESTMENT CASTING CORE Dec 27, 2012 Abandoned
Array ( [id] => 9675127 [patent_doc_number] => 08814030 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Improvements of long term bondline reliability of power electronics operating at high temperatures' [patent_app_type] => utility [patent_app_number] => 13/723055 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4497 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13723055 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/723055
Improvements of long term bondline reliability of power electronics operating at high temperatures Dec 19, 2012 Issued
Array ( [id] => 15664815 [patent_doc_number] => 10596620 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Mold for producing cast parts [patent_app_type] => utility [patent_app_number] => 14/362831 [patent_app_country] => US [patent_app_date] => 2012-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2393 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 409 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14362831 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/362831
Mold for producing cast parts Dec 4, 2012 Issued
Array ( [id] => 8742059 [patent_doc_number] => 20130081776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-04 [patent_title] => 'Methods For Forming Molded Components Having A Visible Designer Feature and/or Improved Operational Properties Via A Porous Preform' [patent_app_type] => utility [patent_app_number] => 13/689840 [patent_app_country] => US [patent_app_date] => 2012-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9739 [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] => 13689840 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/689840
Methods For Forming Molded Components Having A Visible Designer Feature and/or Improved Operational Properties Via A Porous Preform Nov 29, 2012 Abandoned
Array ( [id] => 10136027 [patent_doc_number] => 09169340 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-27 [patent_title] => 'Electronic device module comprising an ethylene multi-block copolymer' [patent_app_type] => utility [patent_app_number] => 13/667722 [patent_app_country] => US [patent_app_date] => 2012-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 12483 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13667722 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/667722
Electronic device module comprising an ethylene multi-block copolymer Nov 1, 2012 Issued
Array ( [id] => 9898164 [patent_doc_number] => 20150053363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'METHOD FOR MANUFACTURING COMPOSITE DOUBLE-METAL FRACTURE SPLITTING CONNECTING ROD' [patent_app_type] => utility [patent_app_number] => 14/394692 [patent_app_country] => US [patent_app_date] => 2012-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3785 [patent_no_of_claims] => 7 [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] => 14394692 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/394692
Method for manufacturing composite double-metal fracture splitting connecting rod Oct 23, 2012 Issued
Array ( [id] => 9432171 [patent_doc_number] => 20140110077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'Casting Process and Apparatus' [patent_app_type] => utility [patent_app_number] => 13/658585 [patent_app_country] => US [patent_app_date] => 2012-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3481 [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] => 13658585 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/658585
Casting Process and Apparatus Oct 22, 2012 Abandoned
Array ( [id] => 8717195 [patent_doc_number] => 20130068412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'Pump Assembly, System and Method for Controlled Delivery of Molten Metal to Molds' [patent_app_type] => utility [patent_app_number] => 13/654277 [patent_app_country] => US [patent_app_date] => 2012-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7476 [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] => 13654277 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/654277
Pump assembly, system and method for controlled delivery of molten metal to molds Oct 16, 2012 Issued
Array ( [id] => 8659331 [patent_doc_number] => 20130040160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-14 [patent_title] => 'METHOD FOR MANUFACTURING A PLATE INCLUDING MULTIPLE METAL LAYERS' [patent_app_type] => utility [patent_app_number] => 13/651980 [patent_app_country] => US [patent_app_date] => 2012-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5361 [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] => 13651980 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/651980
METHOD FOR MANUFACTURING A PLATE INCLUDING MULTIPLE METAL LAYERS Oct 14, 2012 Abandoned
Array ( [id] => 9418011 [patent_doc_number] => 20140102661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-17 [patent_title] => 'INLINE MELT CONTROL VIA RF POWER' [patent_app_type] => utility [patent_app_number] => 13/651654 [patent_app_country] => US [patent_app_date] => 2012-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14702 [patent_no_of_claims] => 21 [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] => 13651654 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/651654
Inline melt control via RF power Oct 14, 2012 Issued
Array ( [id] => 9418006 [patent_doc_number] => 20140102656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-17 [patent_title] => 'Casting Cores and Manufacture Methods' [patent_app_type] => utility [patent_app_number] => 13/650419 [patent_app_country] => US [patent_app_date] => 2012-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5461 [patent_no_of_claims] => 30 [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] => 13650419 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/650419
Casting Cores and Manufacture Methods Oct 11, 2012 Abandoned
Array ( [id] => 10317680 [patent_doc_number] => 20150202683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-23 [patent_title] => 'METHOD OF MAKING SURFACE COOLING CHANNELS ON A COMPONENT USING LITHOGRAPHIC MOLDING TECHNIQUES' [patent_app_type] => utility [patent_app_number] => 13/650320 [patent_app_country] => US [patent_app_date] => 2012-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6154 [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] => 13650320 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/650320
METHOD OF MAKING SURFACE COOLING CHANNELS ON A COMPONENT USING LITHOGRAPHIC MOLDING TECHNIQUES Oct 11, 2012 Abandoned
Array ( [id] => 9343006 [patent_doc_number] => 08662144 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Methods of casting scroll compressor components' [patent_app_type] => utility [patent_app_number] => 13/633262 [patent_app_country] => US [patent_app_date] => 2012-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 13637 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13633262 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/633262
Methods of casting scroll compressor components Oct 1, 2012 Issued
Array ( [id] => 8742060 [patent_doc_number] => 20130081777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-04 [patent_title] => 'SYSTEM AND METHOD FOR MONITORING MOLD FLUX CONSUMPTION' [patent_app_type] => utility [patent_app_number] => 13/632486 [patent_app_country] => US [patent_app_date] => 2012-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1450 [patent_no_of_claims] => 11 [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] => 13632486 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/632486
SYSTEM AND METHOD FOR MONITORING MOLD FLUX CONSUMPTION Sep 30, 2012 Abandoned
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