Search

Tian-pong Chang

Examiner (ID: 2992, Phone: (571)272-4989 , Office: P/2136 )

Most Active Art Unit
2136
Art Unit(s)
2186, 2136
Total Applications
197
Issued Applications
129
Pending Applications
0
Abandoned Applications
68

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12177805 [patent_doc_number] => 20180036741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'Cleaning and Dewatering Fine Coal' [patent_app_type] => utility [patent_app_number] => 15/786079 [patent_app_country] => US [patent_app_date] => 2017-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8645 [patent_no_of_claims] => 16 [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] => 15786079 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/786079
Cleaning and dewatering fine coal Oct 16, 2017 Issued
Array ( [id] => 13566159 [patent_doc_number] => 20180334627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => ADDITIVE COMPOSITIONS THAT IMPROVE THE STABILITY AND THE ENGINE PERFORMANCES OF DIESEL FUELS [patent_app_type] => utility [patent_app_number] => 15/786170 [patent_app_country] => US [patent_app_date] => 2017-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15786170 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/786170
Additive compositions that improve the stability and the engine performances of diesel fuels Oct 16, 2017 Issued
Array ( [id] => 12219062 [patent_doc_number] => 20180057421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-01 [patent_title] => 'ALKYLATE BASE OIL OF BIOLOGICAL ORIGIN' [patent_app_type] => utility [patent_app_number] => 15/730872 [patent_app_country] => US [patent_app_date] => 2017-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9865 [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] => 15730872 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/730872
Alkylate base oil of biological origin Oct 11, 2017 Issued
Array ( [id] => 17097226 [patent_doc_number] => 20210285017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => METHOD AND SYSTEM FOR IMPROVING THE GREENHOUSE GAS EMISSION REDUCTION PERFORMANCE OF BIOGENIC FUELS, HEATING MEDIUMS AND COMBUSTION MATERIALS AND/OR FOR ENRICHING AGRICULTURAL AREAS WITH CARBON-CONTAINING HUMUS [patent_app_type] => utility [patent_app_number] => 16/339596 [patent_app_country] => US [patent_app_date] => 2017-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 66615 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16339596 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/339596
METHOD AND SYSTEM FOR IMPROVING THE GREENHOUSE GAS EMISSION REDUCTION PERFORMANCE OF BIOGENIC FUELS, HEATING MEDIUMS AND COMBUSTION MATERIALS AND/OR FOR ENRICHING AGRICULTURAL AREAS WITH CARBON-CONTAINING HUMUS Oct 5, 2017 Pending
Array ( [id] => 12178899 [patent_doc_number] => 20180037835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'ENERGY PELLET' [patent_app_type] => utility [patent_app_number] => 15/723351 [patent_app_country] => US [patent_app_date] => 2017-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2393 [patent_no_of_claims] => 13 [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] => 15723351 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/723351
ENERGY PELLET Oct 2, 2017 Abandoned
Array ( [id] => 15435939 [patent_doc_number] => 20200032153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => Method for Producing HydroCarbon-Based Synthetic Fuel By Adding Water to Hyrocarbon-Based Fuel Oil [patent_app_type] => utility [patent_app_number] => 16/337824 [patent_app_country] => US [patent_app_date] => 2017-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14288 [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] => 16337824 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/337824
Method for Producing HydroCarbon-Based Synthetic Fuel By Adding Water to Hyrocarbon-Based Fuel Oil Sep 27, 2017 Abandoned
Array ( [id] => 15454889 [patent_doc_number] => 20200040269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => FUEL COMPRISING KETONE(S) [patent_app_type] => utility [patent_app_number] => 16/337853 [patent_app_country] => US [patent_app_date] => 2017-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5874 [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] => 16337853 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/337853
Fuel comprising ketone(s) Sep 26, 2017 Issued
Array ( [id] => 13703133 [patent_doc_number] => 20170362521 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => Process for Producing Biodiesel and Related Products [patent_app_type] => utility [patent_app_number] => 15/693655 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 15693655 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693655
Process for producing biodiesel and related products Aug 31, 2017 Issued
Array ( [id] => 12119036 [patent_doc_number] => 20180002622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Process of Making Biochar From Beneficiated Organic-Carbon-Containing Feedstock' [patent_app_type] => utility [patent_app_number] => 15/692155 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 24765 [patent_no_of_claims] => 14 [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] => 15692155 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692155
Process of Making Biochar From Beneficiated Organic-Carbon-Containing Feedstock Aug 30, 2017 Abandoned
Array ( [id] => 14468263 [patent_doc_number] => 20190185774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => FUELS AND IGNITION AIDS MADE OF MODIFIED, RENEWABLE RAW MATERIALS [patent_app_type] => utility [patent_app_number] => 16/327094 [patent_app_country] => US [patent_app_date] => 2017-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16327094 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/327094
FUELS AND IGNITION AIDS MADE OF MODIFIED, RENEWABLE RAW MATERIALS Aug 21, 2017 Abandoned
Array ( [id] => 14439521 [patent_doc_number] => 20190177633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => METHOD FOR MANUFACTURING A LUBRICITY ADDITIVE FOR FUEL HAVING A LOW SULFUR CONTENT [patent_app_type] => utility [patent_app_number] => 16/326025 [patent_app_country] => US [patent_app_date] => 2017-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16326025 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/326025
METHOD FOR MANUFACTURING A LUBRICITY ADDITIVE FOR FUEL HAVING A LOW SULFUR CONTENT Aug 15, 2017 Abandoned
Array ( [id] => 17200360 [patent_doc_number] => 20210340455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Briquettes [patent_app_type] => utility [patent_app_number] => 16/325701 [patent_app_country] => US [patent_app_date] => 2017-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16325701 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/325701
Briquettes Aug 13, 2017 Pending
Array ( [id] => 13717717 [patent_doc_number] => 20170369813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => DIELECTRIC NANOLUBRICANT COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 15/675231 [patent_app_country] => US [patent_app_date] => 2017-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15675231 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/675231
Dielectric nanolubricant compositions Aug 10, 2017 Issued
Array ( [id] => 13841033 [patent_doc_number] => 20190024001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => BIODIESEL FUEL MIXTURES [patent_app_type] => utility [patent_app_number] => 15/653213 [patent_app_country] => US [patent_app_date] => 2017-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6660 [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] => 15653213 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/653213
Biodiesel fuel mixtures Jul 17, 2017 Issued
Array ( [id] => 12024659 [patent_doc_number] => 20170314758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'Process of Producing Biochar From Beneficiated Organic-Carbon-Containing Feedstock' [patent_app_type] => utility [patent_app_number] => 15/647786 [patent_app_country] => US [patent_app_date] => 2017-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 20114 [patent_no_of_claims] => 3 [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] => 15647786 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/647786
Process of Producing Biochar From Beneficiated Organic-Carbon-Containing Feedstock Jul 11, 2017 Abandoned
Array ( [id] => 13778485 [patent_doc_number] => 20190002781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => MEANS OF PROCESSING BIOMASS FOR USE IN INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 15/637582 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15637582 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/637582
MEANS OF PROCESSING BIOMASS FOR USE IN INTERNAL COMBUSTION ENGINES Jun 28, 2017 Abandoned
Array ( [id] => 15356041 [patent_doc_number] => 10526623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Oil composition and method of recovering same [patent_app_type] => utility [patent_app_number] => 15/631420 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11306 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15631420 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/631420
Oil composition and method of recovering same Jun 22, 2017 Issued
Array ( [id] => 13622639 [patent_doc_number] => 20180362871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => Campfire Stand and Fuel Kit [patent_app_type] => utility [patent_app_number] => 15/624696 [patent_app_country] => US [patent_app_date] => 2017-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15624696 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/624696
Campfire Stand and Fuel Kit Jun 14, 2017 Abandoned
Array ( [id] => 11956316 [patent_doc_number] => 20170260467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'METHOD FOR PREVENTION OF BIODETERIORATION OF FUELS' [patent_app_type] => utility [patent_app_number] => 15/609988 [patent_app_country] => US [patent_app_date] => 2017-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4567 [patent_no_of_claims] => 18 [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] => 15609988 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/609988
Method for prevention of biodeterioration of fuels May 30, 2017 Issued
Array ( [id] => 13591819 [patent_doc_number] => 20180347458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => SYSTEM AND METHOD FOR IMPROVING TURBOMACHINERY FUEL QUALITY [patent_app_type] => utility [patent_app_number] => 15/608669 [patent_app_country] => US [patent_app_date] => 2017-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608669 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/608669
SYSTEM AND METHOD FOR IMPROVING TURBOMACHINERY FUEL QUALITY May 29, 2017 Abandoned
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