Search

Timothy P. Callahan

Director (ID: 12088, Phone: (571)272-4066 , Office: P/2400 )

Most Active Art Unit
2504
Art Unit(s)
2899, 2504, 2816
Total Applications
793
Issued Applications
652
Pending Applications
7
Abandoned Applications
134

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17975874 [patent_doc_number] => 11492724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Die for EFG-based single crystal growth, EFG-based single crystal growth method, and EFG single crystal [patent_app_type] => utility [patent_app_number] => 16/982280 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5178 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16982280 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/982280
Die for EFG-based single crystal growth, EFG-based single crystal growth method, and EFG single crystal Jan 24, 2019 Issued
Array ( [id] => 17604373 [patent_doc_number] => 11332848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Silicon single crystal growth method and apparatus [patent_app_type] => utility [patent_app_number] => 16/959852 [patent_app_country] => US [patent_app_date] => 2019-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4180 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16959852 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/959852
Silicon single crystal growth method and apparatus Jan 17, 2019 Issued
Array ( [id] => 14582149 [patent_doc_number] => 20190218683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => PULLING CONTROL DEVICE FOR SINGLE CRYSTAL INGOT GROWTH AND PULLING CONTROL METHOD APPLIED THERETO [patent_app_type] => utility [patent_app_number] => 16/244028 [patent_app_country] => US [patent_app_date] => 2019-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16244028 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244028
Pulling control device for single crystal ingot growth and pulling control method applied thereto Jan 8, 2019 Issued
Array ( [id] => 16650311 [patent_doc_number] => 10927476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Production method for group III nitride crystal [patent_app_type] => utility [patent_app_number] => 16/243321 [patent_app_country] => US [patent_app_date] => 2019-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 7912 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16243321 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/243321
Production method for group III nitride crystal Jan 8, 2019 Issued
Array ( [id] => 14274693 [patent_doc_number] => 20190134631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => METHODS, SYSTEMS AND APPARATUS FOR MICROFLUIDIC CRYSTALLIZATION BASED ON GRADIENT MIXING [patent_app_type] => utility [patent_app_number] => 16/237158 [patent_app_country] => US [patent_app_date] => 2018-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16237158 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/237158
Methods, systems and apparatus for microfluidic crystallization based on gradient mixing Dec 30, 2018 Issued
Array ( [id] => 17938769 [patent_doc_number] => 11473213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Method and apparatus for manufacturing photonic crystals [patent_app_type] => utility [patent_app_number] => 16/957593 [patent_app_country] => US [patent_app_date] => 2018-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 44 [patent_no_of_words] => 10660 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16957593 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/957593
Method and apparatus for manufacturing photonic crystals Dec 27, 2018 Issued
Array ( [id] => 17784979 [patent_doc_number] => 11408092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Method for heat-treating silicon single crystal wafer [patent_app_type] => utility [patent_app_number] => 16/962269 [patent_app_country] => US [patent_app_date] => 2018-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3240 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16962269 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/962269
Method for heat-treating silicon single crystal wafer Dec 24, 2018 Issued
Array ( [id] => 14502339 [patent_doc_number] => 20190194824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF PROCESSING SiC SINGLE CRYSTAL AND METHOD OF MANUFACTURING SiC INGOT [patent_app_type] => utility [patent_app_number] => 16/225848 [patent_app_country] => US [patent_app_date] => 2018-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16225848 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/225848
Method of processing SiC single crystal and method of manufacturing SiC ingot Dec 18, 2018 Issued
Array ( [id] => 14502337 [patent_doc_number] => 20190194823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF MANUFACTURING SiC INGOT [patent_app_type] => utility [patent_app_number] => 16/225260 [patent_app_country] => US [patent_app_date] => 2018-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16225260 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/225260
Method of manufacturing SiC ingot Dec 18, 2018 Issued
Array ( [id] => 14502327 [patent_doc_number] => 20190194818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF PRODUCING SILICON CARBIDE SINGLE CRYSTAL [patent_app_type] => utility [patent_app_number] => 16/225967 [patent_app_country] => US [patent_app_date] => 2018-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16225967 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/225967
METHOD OF PRODUCING SILICON CARBIDE SINGLE CRYSTAL Dec 18, 2018 Abandoned
Array ( [id] => 14502335 [patent_doc_number] => 20190194822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => SiC INGOT AND METHOD OF MANUFACTURING SiC INGOT [patent_app_type] => utility [patent_app_number] => 16/223185 [patent_app_country] => US [patent_app_date] => 2018-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5853 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16223185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/223185
SiC ingot and method of manufacturing SiC ingot Dec 17, 2018 Issued
Array ( [id] => 14535513 [patent_doc_number] => 20190203378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => Methods for Removing a Melt of Silicon from a Crucible and Related Wick Assemblies [patent_app_type] => utility [patent_app_number] => 16/223386 [patent_app_country] => US [patent_app_date] => 2018-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16223386 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/223386
Methods for Removing a Melt of Silicon from a Crucible and Related Wick Assemblies Dec 17, 2018 Abandoned
Array ( [id] => 14502329 [patent_doc_number] => 20190194819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF MANUFACTURING SILICON CARBIDE SINGLE CRYSTAL INGOT [patent_app_type] => utility [patent_app_number] => 16/221671 [patent_app_country] => US [patent_app_date] => 2018-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16221671 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/221671
Method of manufacturing silicon carbide single crystal ingot Dec 16, 2018 Issued
Array ( [id] => 16073405 [patent_doc_number] => 20200190689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Methods For Preparing a Doped Ingot [patent_app_type] => utility [patent_app_number] => 16/220058 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16220058 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/220058
Methods for preparing a doped ingot Dec 13, 2018 Issued
Array ( [id] => 16073407 [patent_doc_number] => 20200190690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Ingot Puller Apparatus that Include A Doping Conduit With A Porous Partition Member For Subliming Solid Dopant [patent_app_type] => utility [patent_app_number] => 16/220060 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16220060 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/220060
Ingot puller apparatus that include a doping conduit with a porous partition member for subliming solid dopant Dec 13, 2018 Issued
Array ( [id] => 16414836 [patent_doc_number] => 10822715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Method for limiting growth of KDP-type crystals with a long seed [patent_app_type] => utility [patent_app_number] => 16/218291 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3948 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16218291 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/218291
Method for limiting growth of KDP-type crystals with a long seed Dec 11, 2018 Issued
Array ( [id] => 14280165 [patent_doc_number] => 20190137367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => GUEST-COMPOUND-ENVELOPING POLYMER-METAL-COMPLEX CRYSTAL, METHOD FOR PRODUCING SAME, METHOD FOR PREPARING CRYSTAL STRUCTURE ANALYSIS SAMPLE, AND METHOD FOR DETERMINING MOLECULAR STRUCTURE OF ORGANIC COMPOUND [patent_app_type] => utility [patent_app_number] => 16/217086 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16217086 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/217086
Guest-compound-enveloping polymer-metal-complex crystal, method for producing same, method for preparing crystal structure analysis sample, and method for determining molecular structure of organic compound Dec 11, 2018 Issued
Array ( [id] => 14502333 [patent_doc_number] => 20190194821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF TREATING A SINGLE CRYSTAL SILICON INGOT TO IMPROVE THE LLS RING/CORE PATTERN [patent_app_type] => utility [patent_app_number] => 16/214381 [patent_app_country] => US [patent_app_date] => 2018-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16214381 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/214381
Method of treating a single crystal silicon ingot to improve the LLS ring/core pattern Dec 9, 2018 Issued
Array ( [id] => 16455970 [patent_doc_number] => 20200365396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => METHODS FOR FORMING GRADED WURTZITE III-NITRIDE ALLOY LAYERS [patent_app_type] => utility [patent_app_number] => 16/764192 [patent_app_country] => US [patent_app_date] => 2018-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16764192 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/764192
Methods for forming graded wurtzite III-nitride alloy layers Dec 3, 2018 Issued
Array ( [id] => 16238743 [patent_doc_number] => 20200255977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => COMPOSITE NITRIDE-BASED FILM STRUCTURE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 16/637553 [patent_app_country] => US [patent_app_date] => 2018-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16637553 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/637553
Composite nitride-based film structure and method for manufacturing same Nov 20, 2018 Issued
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