Search

Nathan T. Leong

Examiner (ID: 5480, Phone: (571)270-5352 , Office: P/1715 )

Most Active Art Unit
1715
Art Unit(s)
1715, 1718, 1792
Total Applications
1042
Issued Applications
708
Pending Applications
80
Abandoned Applications
281

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 13328875 [patent_doc_number] => 20180215975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => ABRASIVE ARTICLE INCLUDING SHAPED ABRASIVE PARTICLES [patent_app_type] => utility [patent_app_number] => 15/420673 [patent_app_country] => US [patent_app_date] => 2017-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15420673 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/420673
Abrasive article including shaped abrasive particles Jan 30, 2017 Issued
Array ( [id] => 15513057 [patent_doc_number] => 10563105 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Abrasive article including shaped abrasive particles [patent_app_type] => utility [patent_app_number] => 15/420701 [patent_app_country] => US [patent_app_date] => 2017-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 159 [patent_no_of_words] => 24743 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15420701 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/420701
Abrasive article including shaped abrasive particles Jan 30, 2017 Issued
Array ( [id] => 11729358 [patent_doc_number] => 20170190802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-06 [patent_title] => 'Nanoparticle chains and Preparation Thereof' [patent_app_type] => utility [patent_app_number] => 15/410756 [patent_app_country] => US [patent_app_date] => 2017-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8842 [patent_no_of_claims] => 14 [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] => 15410756 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/410756
Nanoparticle chains and Preparation Thereof Jan 18, 2017 Abandoned
Array ( [id] => 16413554 [patent_doc_number] => 10821418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Super absorbent polymer [patent_app_type] => utility [patent_app_number] => 15/770375 [patent_app_country] => US [patent_app_date] => 2017-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 13091 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15770375 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/770375
Super absorbent polymer Jan 9, 2017 Issued
Array ( [id] => 13986073 [patent_doc_number] => 20190062194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUARTZ GLASS [patent_app_type] => utility [patent_app_number] => 16/062248 [patent_app_country] => US [patent_app_date] => 2016-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16062248 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/062248
STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUARTZ GLASS Dec 15, 2016 Abandoned
Array ( [id] => 17096740 [patent_doc_number] => 20210284531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => METHOD FOR DIRECTLY SYNTHESIZING SODIUM BOROHYDRIDE BY SOLID-STATE BALL MILLING AT ROOM TEMPERATURE [patent_app_type] => utility [patent_app_number] => 16/332391 [patent_app_country] => US [patent_app_date] => 2016-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332391 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332391
Method for directly synthesizing sodium borohydride by solid-state ball milling at room temperature Dec 12, 2016 Issued
Array ( [id] => 14358893 [patent_doc_number] => 10300729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-28 [patent_title] => Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface [patent_app_type] => utility [patent_app_number] => 15/375962 [patent_app_country] => US [patent_app_date] => 2016-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 5381 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15375962 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/375962
Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface Dec 11, 2016 Issued
Array ( [id] => 18983418 [patent_doc_number] => 11908604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Composite material molded article, reactor, comprising a roughened surface [patent_app_type] => utility [patent_app_number] => 15/781567 [patent_app_country] => US [patent_app_date] => 2016-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10855 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15781567 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/781567
Composite material molded article, reactor, comprising a roughened surface Dec 11, 2016 Issued
Array ( [id] => 13730881 [patent_doc_number] => 20180369908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => POWDER PARTICLES AND PROCESS FOR PRODUCING GREEN BODY USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/060727 [patent_app_country] => US [patent_app_date] => 2016-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16060727 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/060727
Powder particles comprising thermoplastic resin particles and process for producing green body using the same Dec 10, 2016 Issued
Array ( [id] => 13549863 [patent_doc_number] => 20180326479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => COMPOSITIONS OF NANOPARTICLES WITH RADIAL GRADIENTS AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 15/776879 [patent_app_country] => US [patent_app_date] => 2016-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15776879 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/776879
Compositions of nanoparticles with radial gradients and methods of use thereof Nov 17, 2016 Issued
Array ( [id] => 13508155 [patent_doc_number] => 20180305620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => FLAME RETARDANT PARTICLE, MANUFACTURING METHOD THEREFOR, AND FLAME RETARDANT STYROFOAM USING SAME [patent_app_type] => utility [patent_app_number] => 15/766177 [patent_app_country] => US [patent_app_date] => 2016-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15766177 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/766177
FLAME RETARDANT PARTICLE, MANUFACTURING METHOD THEREFOR, AND FLAME RETARDANT STYROFOAM USING SAME Nov 9, 2016 Abandoned
Array ( [id] => 11471409 [patent_doc_number] => 20170058191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING' [patent_app_type] => utility [patent_app_number] => 15/340000 [patent_app_country] => US [patent_app_date] => 2016-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 15645 [patent_no_of_claims] => 19 [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] => 15340000 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/340000
Self-suspending proppants for hydraulic fracturing Oct 31, 2016 Issued
Array ( [id] => 15676763 [patent_doc_number] => 10602646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Method for preparing magnetic iron oxide-graphene composite [patent_app_type] => utility [patent_app_number] => 15/743859 [patent_app_country] => US [patent_app_date] => 2016-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4471 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15743859 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/743859
Method for preparing magnetic iron oxide-graphene composite Oct 27, 2016 Issued
Array ( [id] => 11589793 [patent_doc_number] => 20170114203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'POROUS WATER-SOLUBLE NONIONIC CELLULOSE ETHER HAVING EXCELLENT SOLUBILITY AND METHOD FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/333616 [patent_app_country] => US [patent_app_date] => 2016-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8325 [patent_no_of_claims] => 12 [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] => 15333616 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/333616
Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same Oct 24, 2016 Issued
Array ( [id] => 16444290 [patent_doc_number] => 10836198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-17 [patent_title] => Securing the authenticity of value documents by means of characteristic substances [patent_app_type] => utility [patent_app_number] => 15/297563 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4191 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15297563 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/297563
Securing the authenticity of value documents by means of characteristic substances Oct 18, 2016 Issued
Array ( [id] => 11421523 [patent_doc_number] => 20170029667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'ADHESIVE COMPOSITIONS AND METHODS FOR THEIR USE AND PREPARATION' [patent_app_type] => utility [patent_app_number] => 15/290276 [patent_app_country] => US [patent_app_date] => 2016-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4423 [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] => 15290276 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/290276
Thermally conductive adhesive compositions comprising carbon-based particles and methods for their use and preparation Oct 10, 2016 Issued
Array ( [id] => 13984335 [patent_doc_number] => 20190061325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => WOOD PARTICLE BOARDS [patent_app_type] => utility [patent_app_number] => 15/766804 [patent_app_country] => US [patent_app_date] => 2016-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15766804 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/766804
WOOD PARTICLE BOARDS Oct 6, 2016 Abandoned
Array ( [id] => 13461359 [patent_doc_number] => 20180282222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => SINTERED SPHERES, PROCESS FOR THEIR PRODUCTION AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 15/766142 [patent_app_country] => US [patent_app_date] => 2016-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15766142 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/766142
SINTERED SPHERES, PROCESS FOR THEIR PRODUCTION AND USE THEREOF Oct 2, 2016 Abandoned
Array ( [id] => 15931561 [patent_doc_number] => 20200157414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => COATED PROPPANTS FOR FRACKING EXTRACTION METHODS [patent_app_type] => utility [patent_app_number] => 16/338162 [patent_app_country] => US [patent_app_date] => 2016-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16338162 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/338162
Coated proppants for fracking extraction methods Sep 29, 2016 Issued
Array ( [id] => 13441761 [patent_doc_number] => 20180272423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => NEW IRON-BASED COMPOSITE POWDER [patent_app_type] => utility [patent_app_number] => 15/764520 [patent_app_country] => US [patent_app_date] => 2016-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 15764520 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/764520
Iron-based composite powder Sep 28, 2016 Issued
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