Search

Prem C. Singh

Supervisory Patent Examiner (ID: 15182, Phone: (571)272-6381 , Office: P/1771 )

Most Active Art Unit
1797
Art Unit(s)
1797, 1764, 1771
Total Applications
599
Issued Applications
331
Pending Applications
46
Abandoned Applications
223

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18435869 [patent_doc_number] => 20230183163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHOD FOR PREPARING ALKYL CARBOXYLIC ACID ESTER AND APPARATUS FOR PREPARING ALKYL CARBOXYLIC ACID ESTER [patent_app_type] => utility [patent_app_number] => 18/109444 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109444 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109444
METHOD FOR PREPARING ALKYL CARBOXYLIC ACID ESTER AND APPARATUS FOR PREPARING ALKYL CARBOXYLIC ACID ESTER Feb 13, 2023 Pending
Array ( [id] => 18816389 [patent_doc_number] => 20230390729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => DEVICE FOR SYNTHESIZING HOMOGENEOUS POLYMER SPHERES BASED ON CHANNEL PREPOLYMERIZATION, AND METHOD OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/148470 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18148470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/148470
DEVICE FOR SYNTHESIZING HOMOGENEOUS POLYMER SPHERES BASED ON CHANNEL PREPOLYMERIZATION, AND METHOD OF USING THE SAME Dec 29, 2022 Pending
Array ( [id] => 18348679 [patent_doc_number] => 20230136790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => COMPOSITIONS, METHODS, AND APPARATUSES FOR CATALYTIC COMBUSTION [patent_app_type] => utility [patent_app_number] => 18/147233 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10961 [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] => 18147233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/147233
COMPOSITIONS, METHODS, AND APPARATUSES FOR CATALYTIC COMBUSTION Dec 27, 2022 Pending
Array ( [id] => 20465659 [patent_doc_number] => 12521689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Continuous synthesis system of urea [patent_app_type] => utility [patent_app_number] => 18/067334 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1172 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18067334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/067334
Continuous synthesis system of urea Dec 15, 2022 Issued
Array ( [id] => 19217657 [patent_doc_number] => 20240182361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => System and process for oxy-fuel calcination of lime-bearing sludge [patent_app_type] => utility [patent_app_number] => 18/062065 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062065
System and process for oxy-fuel calcination of lime-bearing sludge Dec 5, 2022 Pending
Array ( [id] => 20007669 [patent_doc_number] => 20250145891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => HEAT INTEGRATION WITH PYROLYSIS OIL AND A HEAT TRANSFER MEDIUM FOR CHEMICAL FACILITIES [patent_app_type] => utility [patent_app_number] => 18/691096 [patent_app_country] => US [patent_app_date] => 2022-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18691096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/691096
HEAT INTEGRATION WITH PYROLYSIS OIL AND A HEAT TRANSFER MEDIUM FOR CHEMICAL FACILITIES Sep 15, 2022 Pending
Array ( [id] => 19600972 [patent_doc_number] => 20240391852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => OLEFIN PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 18/694147 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18694147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/694147
OLEFIN PRODUCTION METHOD Sep 6, 2022 Pending
Array ( [id] => 18649199 [patent_doc_number] => 20230294985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => Low carbon hydrogen fuel [patent_app_type] => utility [patent_app_number] => 18/006628 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18006628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/006628
Low carbon hydrogen fuel Aug 15, 2021 Pending
Array ( [id] => 17562073 [patent_doc_number] => 20220126222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => CONDENSING MECHANISM OF DISTILLED WATER DISPENSER [patent_app_type] => utility [patent_app_number] => 17/317891 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17317891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/317891
CONDENSING MECHANISM OF DISTILLED WATER DISPENSER May 11, 2021 Abandoned
Array ( [id] => 18529913 [patent_doc_number] => 20230234980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => DEVICE AND METHOD FOR PRODUCING SUCROSE-6-ESTER [patent_app_type] => utility [patent_app_number] => 18/003505 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18003505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/003505
DEVICE AND METHOD FOR PRODUCING SUCROSE-6-ESTER Jan 24, 2021 Pending
Array ( [id] => 12609111 [patent_doc_number] => 20180094867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-05 [patent_title] => Air-liquid heat exchanger [patent_app_type] => utility [patent_app_number] => 15/281314 [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] => 3608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15281314 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/281314
Air-liquid heat exchanger Sep 29, 2016 Abandoned
14/117600 METHOD OF PROCESSING A BITUMINOUS FEED AND CONTAMINATED WATER Nov 12, 2013 Abandoned
Array ( [id] => 9727258 [patent_doc_number] => 20140262964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'Method of Processing a Bituminous Feed By Staged Addition of a Bridging Liquid' [patent_app_type] => utility [patent_app_number] => 14/112203 [patent_app_country] => US [patent_app_date] => 2012-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9952 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 13 [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] => 14112203 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/112203
Method of Processing a Bituminous Feed By Staged Addition of a Bridging Liquid Mar 8, 2012 Abandoned
Array ( [id] => 9069427 [patent_doc_number] => 20130261183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'OPTIMIZED NUTRITIONAL FORMULATIONS, METHODS FOR SELECTION OF TAILORED DIETS THEREFROM, AND METHODS OF USE THEREOF' [patent_app_type] => utility [patent_app_number] => 13/877847 [patent_app_country] => US [patent_app_date] => 2011-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25532 [patent_no_of_claims] => 30 [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] => 13877847 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/877847
OPTIMIZED NUTRITIONAL FORMULATIONS, METHODS FOR SELECTION OF TAILORED DIETS THEREFROM, AND METHODS OF USE THEREOF Oct 13, 2011 Pending
Array ( [id] => 7804824 [patent_doc_number] => 20120055776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'Multi effect distiller with falling film evaporator and condenser cells' [patent_app_type] => utility [patent_app_number] => 12/807321 [patent_app_country] => US [patent_app_date] => 2010-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3776 [patent_no_of_claims] => 10 [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] => publications/A1/0055/20120055776.pdf [firstpage_image] =>[orig_patent_app_number] => 12807321 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/807321
Multi effect distiller with falling film evaporator and condenser cells Sep 2, 2010 Abandoned
Array ( [id] => 8245101 [patent_doc_number] => 08203027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-19 [patent_title] => 'Continuous process and plant design for conversion of biogas to liquid fuel' [patent_app_type] => utility [patent_app_number] => 12/852724 [patent_app_country] => US [patent_app_date] => 2010-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3778 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/203/08203027.pdf [firstpage_image] =>[orig_patent_app_number] => 12852724 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/852724
Continuous process and plant design for conversion of biogas to liquid fuel Aug 8, 2010 Issued
Array ( [id] => 6580697 [patent_doc_number] => 20100274062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-28 [patent_title] => 'Method of Dissolving a Gaseous Hydrocarbon Into a Liquid Hydrocarbon' [patent_app_type] => utility [patent_app_number] => 12/829830 [patent_app_country] => US [patent_app_date] => 2010-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4305 [patent_no_of_claims] => 4 [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/A1/0274/20100274062.pdf [firstpage_image] =>[orig_patent_app_number] => 12829830 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/829830
Method of Dissolving a Gaseous Hydrocarbon Into a Liquid Hydrocarbon Jul 1, 2010 Abandoned
Array ( [id] => 8177831 [patent_doc_number] => 08178741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-15 [patent_title] => 'Method and apparatus for regenerating catalyst during oxygenates to olefins reaction' [patent_app_type] => utility [patent_app_number] => 12/793340 [patent_app_country] => US [patent_app_date] => 2010-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 12225 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/178/08178741.pdf [firstpage_image] =>[orig_patent_app_number] => 12793340 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/793340
Method and apparatus for regenerating catalyst during oxygenates to olefins reaction Jun 2, 2010 Issued
Array ( [id] => 8202365 [patent_doc_number] => 08188327 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-05-29 [patent_title] => 'Isooctene/isooctane process' [patent_app_type] => utility [patent_app_number] => 12/657954 [patent_app_country] => US [patent_app_date] => 2010-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7230 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/188/08188327.pdf [firstpage_image] =>[orig_patent_app_number] => 12657954 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/657954
Isooctene/isooctane process Jan 31, 2010 Issued
Array ( [id] => 7681997 [patent_doc_number] => 20100022811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-28 [patent_title] => 'SELECTIVE CATALYTIC CRACKING PROCESS OF NATURAL GAS LIQUID FRACTION TO LIGHT OLEFINS AND OTHER PRODUCTS' [patent_app_type] => utility [patent_app_number] => 12/572575 [patent_app_country] => US [patent_app_date] => 2009-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5005 [patent_no_of_claims] => 26 [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/A1/0022/20100022811.pdf [firstpage_image] =>[orig_patent_app_number] => 12572575 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/572575
SELECTIVE CATALYTIC CRACKING PROCESS OF NATURAL GAS LIQUID FRACTION TO LIGHT OLEFINS AND OTHER PRODUCTS Oct 1, 2009 Abandoned
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