Search

Richard K. Chang

Examiner (ID: 14488, Phone: (571)270-3368 , Office: P/2464 )

Most Active Art Unit
2464
Art Unit(s)
2616, 2663, 2464
Total Applications
302
Issued Applications
252
Pending Applications
10
Abandoned Applications
46

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1259289 [patent_doc_number] => 06668034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-23 [patent_title] => 'Method of inspecting an operation of sealed closure by welding the end of a filling channel traversing the upper plug of a nuclear fuel rod' [patent_app_type] => B2 [patent_app_number] => 10/203443 [patent_app_country] => US [patent_app_date] => 2002-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5609 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/668/06668034.pdf [firstpage_image] =>[orig_patent_app_number] => 10203443 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/203443
Method of inspecting an operation of sealed closure by welding the end of a filling channel traversing the upper plug of a nuclear fuel rod Aug 7, 2002 Issued
Array ( [id] => 7393130 [patent_doc_number] => 20040022346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Method for forming coatings on structural components with corrosion-mitigating materials' [patent_app_type] => new [patent_app_number] => 10/064625 [patent_app_country] => US [patent_app_date] => 2002-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4513 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0022/20040022346.pdf [firstpage_image] =>[orig_patent_app_number] => 10064625 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/064625
Method for forming coatings on structural components with corrosion-mitigating materials Jul 30, 2002 Abandoned
Array ( [id] => 6734692 [patent_doc_number] => 20030012327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-16 [patent_title] => 'Upper guide structure for simplification of refueling procedure in nuclear power plant' [patent_app_type] => new [patent_app_number] => 10/191552 [patent_app_country] => US [patent_app_date] => 2002-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 3754 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0012/20030012327.pdf [firstpage_image] =>[orig_patent_app_number] => 10191552 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/191552
Upper guide structure for simplification of refueling procedure in nuclear power plant Jul 9, 2002 Abandoned
Array ( [id] => 7343377 [patent_doc_number] => 20040247067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Nuclear reactor' [patent_app_type] => new [patent_app_number] => 10/483197 [patent_app_country] => US [patent_app_date] => 2004-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6490 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0247/20040247067.pdf [firstpage_image] =>[orig_patent_app_number] => 10483197 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/483197
Nuclear reactor Jul 9, 2002 Issued
Array ( [id] => 1209069 [patent_doc_number] => 06718002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-06 [patent_title] => 'Method and device for removing radioactive deposits' [patent_app_type] => B2 [patent_app_number] => 10/188109 [patent_app_country] => US [patent_app_date] => 2002-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2990 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/718/06718002.pdf [firstpage_image] =>[orig_patent_app_number] => 10188109 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/188109
Method and device for removing radioactive deposits Jul 2, 2002 Issued
Array ( [id] => 6715027 [patent_doc_number] => 20030026375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Apparatus for transmuting nitrogen 14 into carbon 14' [patent_app_type] => new [patent_app_number] => 10/178959 [patent_app_country] => US [patent_app_date] => 2002-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2441 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026375.pdf [firstpage_image] =>[orig_patent_app_number] => 10178959 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/178959
Apparatus for transmuting nitrogen 14 into carbon 14 Jun 24, 2002 Abandoned
Array ( [id] => 1048755 [patent_doc_number] => 06865242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Method and device for restoring the fall-time of at least one control cluster for regulating reactivity in the core of a light-water-cooled nuclear reactor' [patent_app_type] => utility [patent_app_number] => 10/480466 [patent_app_country] => US [patent_app_date] => 2002-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 8636 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/865/06865242.pdf [firstpage_image] =>[orig_patent_app_number] => 10480466 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/480466
Method and device for restoring the fall-time of at least one control cluster for regulating reactivity in the core of a light-water-cooled nuclear reactor May 30, 2002 Issued
Array ( [id] => 1249803 [patent_doc_number] => 06674827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-06 [patent_title] => 'Segmented lattice rack to store fuels coming from nuclear reactors' [patent_app_type] => B2 [patent_app_number] => 10/157419 [patent_app_country] => US [patent_app_date] => 2002-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1714 [patent_no_of_claims] => 7 [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] => patents/06/674/06674827.pdf [firstpage_image] =>[orig_patent_app_number] => 10157419 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/157419
Segmented lattice rack to store fuels coming from nuclear reactors May 28, 2002 Issued
Array ( [id] => 6109697 [patent_doc_number] => 20020172318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-21 [patent_title] => 'Device for catalytic conversion of hydrogen' [patent_app_type] => new [patent_app_number] => 10/147007 [patent_app_country] => US [patent_app_date] => 2002-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4068 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20020172318.pdf [firstpage_image] =>[orig_patent_app_number] => 10147007 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/147007
Device for catalytic conversion of hydrogen May 14, 2002 Abandoned
Array ( [id] => 936885 [patent_doc_number] => H0002134 [patent_country] => US [patent_kind] => H1 [patent_issue_date] => 2005-12-06 [patent_title] => 'Apparatus and method for forming polymer crumb' [patent_app_type] => sir [patent_app_number] => 10/137147 [patent_app_country] => US [patent_app_date] => 2002-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3138 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/H0/002/H0002134.pdf [firstpage_image] =>[orig_patent_app_number] => 10137147 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/137147
Apparatus and method for forming polymer crumb May 1, 2002 Issued
Array ( [id] => 1115261 [patent_doc_number] => 06804320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-10-12 [patent_title] => 'Automatically scramming nuclear reactor system' [patent_app_type] => B2 [patent_app_number] => 10/121421 [patent_app_country] => US [patent_app_date] => 2002-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6767 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/804/06804320.pdf [firstpage_image] =>[orig_patent_app_number] => 10121421 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/121421
Automatically scramming nuclear reactor system Apr 11, 2002 Issued
Array ( [id] => 6873746 [patent_doc_number] => 20030194043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Nuclear reactor system and method for automatically scramming the same' [patent_app_type] => new [patent_app_number] => 10/122104 [patent_app_country] => US [patent_app_date] => 2002-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5556 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0194/20030194043.pdf [firstpage_image] =>[orig_patent_app_number] => 10122104 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/122104
Nuclear reactor system and method for automatically scramming the same Apr 11, 2002 Abandoned
Array ( [id] => 6457739 [patent_doc_number] => 20020150194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-17 [patent_title] => 'Method and device for non-invasive soil carbon content and distribution measurements' [patent_app_type] => new [patent_app_number] => 10/091869 [patent_app_country] => US [patent_app_date] => 2002-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6061 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0150/20020150194.pdf [firstpage_image] =>[orig_patent_app_number] => 10091869 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/091869
Method and device for non-invasive soil carbon content and distribution measurements Mar 5, 2002 Abandoned
Array ( [id] => 1036398 [patent_doc_number] => 06876713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-05 [patent_title] => 'Filter and fuel assembly for a light-water nuclear reactor' [patent_app_type] => utility [patent_app_number] => 10/468291 [patent_app_country] => US [patent_app_date] => 2002-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3958 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/876/06876713.pdf [firstpage_image] =>[orig_patent_app_number] => 10468291 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/468291
Filter and fuel assembly for a light-water nuclear reactor Mar 5, 2002 Issued
Array ( [id] => 5966634 [patent_doc_number] => 20020090049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-11 [patent_title] => 'Support material for radionuclides, method for producing it, and miniaturized radioactive radiation source' [patent_app_type] => new [patent_app_number] => 10/086361 [patent_app_country] => US [patent_app_date] => 2002-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1396 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0090/20020090049.pdf [firstpage_image] =>[orig_patent_app_number] => 10086361 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/086361
Support material for radionuclides, method for producing it, and miniaturized radioactive radiation source Mar 3, 2002 Abandoned
Array ( [id] => 7631973 [patent_doc_number] => 06665364 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Inspection method and apparatus for piping' [patent_app_type] => B2 [patent_app_number] => 10/084912 [patent_app_country] => US [patent_app_date] => 2002-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 29 [patent_no_of_words] => 5471 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/665/06665364.pdf [firstpage_image] =>[orig_patent_app_number] => 10084912 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/084912
Inspection method and apparatus for piping Feb 28, 2002 Issued
Array ( [id] => 1305121 [patent_doc_number] => 06628740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-30 [patent_title] => 'Controlled fusion in a field reversed configuration and direct energy conversion' [patent_app_type] => B2 [patent_app_number] => 10/077661 [patent_app_country] => US [patent_app_date] => 2002-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 44 [patent_no_of_words] => 14895 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/628/06628740.pdf [firstpage_image] =>[orig_patent_app_number] => 10077661 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/077661
Controlled fusion in a field reversed configuration and direct energy conversion Feb 13, 2002 Issued
Array ( [id] => 6705449 [patent_doc_number] => 20030152183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'Interstellar transport vehicle engine' [patent_app_type] => new [patent_app_number] => 10/074934 [patent_app_country] => US [patent_app_date] => 2002-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1247 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 3 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20030152183.pdf [firstpage_image] =>[orig_patent_app_number] => 10074934 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/074934
Interstellar transport vehicle engine Feb 13, 2002 Abandoned
Array ( [id] => 6549250 [patent_doc_number] => 20020163987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-07 [patent_title] => 'Monitoring a sample containing a neutron source' [patent_app_type] => new [patent_app_number] => 10/075965 [patent_app_country] => US [patent_app_date] => 2002-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8537 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0163/20020163987.pdf [firstpage_image] =>[orig_patent_app_number] => 10075965 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/075965
Monitoring a sample containing a neutron source Feb 12, 2002 Abandoned
Array ( [id] => 1039220 [patent_doc_number] => 06873673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-29 [patent_title] => 'Device for storing heat generating material and a vessel for such device' [patent_app_type] => utility [patent_app_number] => 10/470341 [patent_app_country] => US [patent_app_date] => 2002-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3757 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/873/06873673.pdf [firstpage_image] =>[orig_patent_app_number] => 10470341 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/470341
Device for storing heat generating material and a vessel for such device Jan 28, 2002 Issued
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