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] => 8402456 [patent_doc_number] => 20120234512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'ONE-PIECE MANUFACTURING PROCESS' [patent_app_type] => utility [patent_app_number] => 13/442068 [patent_app_country] => US [patent_app_date] => 2012-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5469 [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] => 13442068 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/442068
One-piece manufacturing process Apr 8, 2012 Issued
Array ( [id] => 10273081 [patent_doc_number] => 20150158078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'CONTINUOUS CASTING PROCESS OF METAL' [patent_app_type] => utility [patent_app_number] => 14/385046 [patent_app_country] => US [patent_app_date] => 2012-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2087 [patent_no_of_claims] => 21 [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] => 14385046 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/385046
Continuous casting process of metal Mar 27, 2012 Issued
Array ( [id] => 10259294 [patent_doc_number] => 20150144291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-28 [patent_title] => 'CONTINUOUS CASTING EQUIPMENT' [patent_app_type] => utility [patent_app_number] => 14/385058 [patent_app_country] => US [patent_app_date] => 2012-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2572 [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] => 14385058 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/385058
Continuous casting equipment Mar 27, 2012 Issued
Array ( [id] => 10405694 [patent_doc_number] => 20150290703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-15 [patent_title] => 'STIRRING-ROLL FOR A CONTINUOUS CAST MACHINE OF METALLIC PRODUCTS OF LARGE CROSS SECTION' [patent_app_type] => utility [patent_app_number] => 14/379918 [patent_app_country] => US [patent_app_date] => 2012-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5799 [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] => 14379918 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/379918
STIRRING-ROLL FOR A CONTINUOUS CAST MACHINE OF METALLIC PRODUCTS OF LARGE CROSS SECTION Mar 26, 2012 Abandoned
Array ( [id] => 8298317 [patent_doc_number] => 20120180867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-19 [patent_title] => 'THREE-DIMENSIONAL THIN-FILM SOLAR CELLS' [patent_app_type] => utility [patent_app_number] => 13/355237 [patent_app_country] => US [patent_app_date] => 2012-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 188 [patent_figures_cnt] => 188 [patent_no_of_words] => 47616 [patent_no_of_claims] => 5 [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] => 13355237 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/355237
Three-dimensional thin-film solar cells Jan 19, 2012 Issued
Array ( [id] => 8900534 [patent_doc_number] => 20130168036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLERS' [patent_app_type] => utility [patent_app_number] => 13/339007 [patent_app_country] => US [patent_app_date] => 2011-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 6257 [patent_no_of_claims] => 55 [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] => 13339007 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/339007
Method and system for manufacturing railcar couplers Dec 27, 2011 Issued
Array ( [id] => 8900532 [patent_doc_number] => 20130168035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLER LOCKS' [patent_app_type] => utility [patent_app_number] => 13/338998 [patent_app_country] => US [patent_app_date] => 2011-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5451 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [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] => 13338998 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/338998
METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLER LOCKS Dec 27, 2011 Abandoned
Array ( [id] => 8887778 [patent_doc_number] => 20130160962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'MAIN BODY CORE SET ASSEMBLY AND CORE BOX FOR A COUPLER BODY' [patent_app_type] => utility [patent_app_number] => 13/337558 [patent_app_country] => US [patent_app_date] => 2011-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4130 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 5 [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] => 13337558 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/337558
MAIN BODY CORE SET ASSEMBLY AND CORE BOX FOR A COUPLER BODY Dec 26, 2011 Abandoned
Array ( [id] => 10413193 [patent_doc_number] => 20150298203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-22 [patent_title] => 'MOLDING METHOD, EQUIPMENT FOR CARRYING OUT SAID METHOD AND MOLD OBTAINED BY MEANS OF SAID METHOD' [patent_app_type] => utility [patent_app_number] => 14/366579 [patent_app_country] => US [patent_app_date] => 2011-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5162 [patent_no_of_claims] => 13 [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] => 14366579 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/366579
MOLDING METHOD, EQUIPMENT FOR CARRYING OUT SAID METHOD AND MOLD OBTAINED BY MEANS OF SAID METHOD Dec 21, 2011 Abandoned
Array ( [id] => 8887777 [patent_doc_number] => 20130160961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'SUBSURFACE CHILLS TO IMPROVE RAILCAR KNUCKLE FORMATION' [patent_app_type] => utility [patent_app_number] => 13/333035 [patent_app_country] => US [patent_app_date] => 2011-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4706 [patent_no_of_claims] => 17 [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] => 13333035 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/333035
Subsurface chills to improve railcar knuckle formation Dec 20, 2011 Issued
Array ( [id] => 8132505 [patent_doc_number] => 20120090803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-19 [patent_title] => 'PROCESS FOR PRODUCTON OF COMPACTED GRAPHITE IRON' [patent_app_type] => utility [patent_app_number] => 13/329561 [patent_app_country] => US [patent_app_date] => 2011-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 853 [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] => publications/A1/0090/20120090803.pdf [firstpage_image] =>[orig_patent_app_number] => 13329561 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/329561
PROCESS FOR PRODUCTON OF COMPACTED GRAPHITE IRON Dec 18, 2011 Abandoned
Array ( [id] => 8164633 [patent_doc_number] => 20120103554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'PROCESS FOR OPTIMIZING A CORE DIE' [patent_app_type] => utility [patent_app_number] => 13/287358 [patent_app_country] => US [patent_app_date] => 2011-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2379 [patent_no_of_claims] => 5 [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] => publications/A1/0103/20120103554.pdf [firstpage_image] =>[orig_patent_app_number] => 13287358 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/287358
PROCESS FOR OPTIMIZING A CORE DIE Nov 1, 2011 Abandoned
Array ( [id] => 8320652 [patent_doc_number] => 20120193061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'METHOD AND DEVICE FOR MANUFACTURING COVER INCLUDING MULTIPLE METAL LAYERS' [patent_app_type] => utility [patent_app_number] => 13/277673 [patent_app_country] => US [patent_app_date] => 2011-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2354 [patent_no_of_claims] => 15 [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] => 13277673 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/277673
METHOD AND DEVICE FOR MANUFACTURING COVER INCLUDING MULTIPLE METAL LAYERS Oct 19, 2011 Abandoned
Array ( [id] => 8191441 [patent_doc_number] => 20120118524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'CORE DIE WITH VARIABLE PINS AND PROCESS FOR PRODUCING A CORE' [patent_app_type] => utility [patent_app_number] => 13/275460 [patent_app_country] => US [patent_app_date] => 2011-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2684 [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] => publications/A1/0118/20120118524.pdf [firstpage_image] =>[orig_patent_app_number] => 13275460 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/275460
CORE DIE WITH VARIABLE PINS AND PROCESS FOR PRODUCING A CORE Oct 17, 2011 Abandoned
Array ( [id] => 8132535 [patent_doc_number] => 20120090805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-19 [patent_title] => 'SYSTEMS AND METHODS FOR A THERMISTOR FURNACE' [patent_app_type] => utility [patent_app_number] => 13/275668 [patent_app_country] => US [patent_app_date] => 2011-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 11835 [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] => publications/A1/0090/20120090805.pdf [firstpage_image] =>[orig_patent_app_number] => 13275668 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/275668
SYSTEMS AND METHODS FOR A THERMISTOR FURNACE Oct 17, 2011 Abandoned
Array ( [id] => 8694159 [patent_doc_number] => 20130056168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'DIE-CASTING DIE' [patent_app_type] => utility [patent_app_number] => 13/697443 [patent_app_country] => US [patent_app_date] => 2011-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4160 [patent_no_of_claims] => 7 [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] => 13697443 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/697443
Die-casting die Oct 10, 2011 Issued
Array ( [id] => 8089095 [patent_doc_number] => 20120080159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-05 [patent_title] => 'CONTINUOUS-CASTING MOLD' [patent_app_type] => utility [patent_app_number] => 13/245920 [patent_app_country] => US [patent_app_date] => 2011-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1715 [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] => publications/A1/0080/20120080159.pdf [firstpage_image] =>[orig_patent_app_number] => 13245920 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/245920
CONTINUOUS-CASTING MOLD Sep 26, 2011 Abandoned
Array ( [id] => 8076499 [patent_doc_number] => 20120011783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'Photovoltaic Devices and Photovoltaic Roofing Elements Including Granules, and Roofs Using Them' [patent_app_type] => utility [patent_app_number] => 13/243631 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9574 [patent_no_of_claims] => 51 [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] => publications/A1/0011/20120011783.pdf [firstpage_image] =>[orig_patent_app_number] => 13243631 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/243631
Photovoltaic Devices and Photovoltaic Roofing Elements Including Granules, and Roofs Using Them Sep 22, 2011 Abandoned
Array ( [id] => 8717198 [patent_doc_number] => 20130068415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'MOLD FOR CASTING A WORKPIECE THAT INCLUDES ONE OR MORE CASTING PINS' [patent_app_type] => utility [patent_app_number] => 13/234966 [patent_app_country] => US [patent_app_date] => 2011-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2171 [patent_no_of_claims] => 16 [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] => 13234966 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/234966
Mold for casting a workpiece that includes one or more casting pins Sep 15, 2011 Issued
Array ( [id] => 8243691 [patent_doc_number] => 08201611 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-06-19 [patent_title] => 'Method of centrifugal casting using dry coated sand cores' [patent_app_type] => utility [patent_app_number] => 13/199759 [patent_app_country] => US [patent_app_date] => 2011-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4013 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/201/08201611.pdf [firstpage_image] =>[orig_patent_app_number] => 13199759 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/199759
Method of centrifugal casting using dry coated sand cores Sep 7, 2011 Issued
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