Search

Daniel Previl

Examiner (ID: 11310)

Most Active Art Unit
2684
Art Unit(s)
2736, 2636, 2684, 2738, 2632, 2612, 2685
Total Applications
2344
Issued Applications
1897
Pending Applications
175
Abandoned Applications
314

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20348870 [patent_doc_number] => 20250345722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => CHEMICAL DISTILLATION SYSTEM WITH IN SITU ANALYTICS [patent_app_type] => utility [patent_app_number] => 19/202657 [patent_app_country] => US [patent_app_date] => 2025-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19202657 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/202657
CHEMICAL DISTILLATION SYSTEM WITH IN SITU ANALYTICS May 7, 2025 Pending
Array ( [id] => 20039824 [patent_doc_number] => 20250178046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => Methods for Petroleum Coke Carbon Capture and Sequestration [patent_app_type] => utility [patent_app_number] => 19/048044 [patent_app_country] => US [patent_app_date] => 2025-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19048044 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/048044
Methods for Petroleum Coke Carbon Capture and Sequestration Feb 6, 2025 Pending
Array ( [id] => 20136364 [patent_doc_number] => 20250243408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS [patent_app_type] => utility [patent_app_number] => 19/006106 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 93274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19006106 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/006106
SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS Dec 29, 2024 Pending
Array ( [id] => 20136369 [patent_doc_number] => 20250243413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS [patent_app_type] => utility [patent_app_number] => 19/006119 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 93278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19006119 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/006119
SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS Dec 29, 2024 Pending
Array ( [id] => 20136366 [patent_doc_number] => 20250243410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS [patent_app_type] => utility [patent_app_number] => 19/006107 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 93276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19006107 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/006107
SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS Dec 29, 2024 Abandoned
Array ( [id] => 20295166 [patent_doc_number] => 20250320409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS [patent_app_type] => utility [patent_app_number] => 19/006114 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 94197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19006114 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/006114
SYSTEMS AND METHODS FOR MAKING HYDROCARBON COMPOSITIONS DERIVED FROM PYROLYSIS OF POST-CONSUMER AND/OR POST-INDUSTRIAL PLASTICS Dec 29, 2024 Abandoned
Array ( [id] => 20465614 [patent_doc_number] => 12521644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Equipment for production of butanol and octanol and triple-effect distillation method [patent_app_type] => utility [patent_app_number] => 19/002899 [patent_app_country] => US [patent_app_date] => 2024-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8862 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 621 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19002899 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/002899
Equipment for production of butanol and octanol and triple-effect distillation method Dec 26, 2024 Issued
Array ( [id] => 19845623 [patent_doc_number] => 20250090974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => FRACTIONATION TRAY WITH ADJUSTABLE OPEN AREA FOR CLEANING AND/OR THROUGHPUT CONTROL [patent_app_type] => utility [patent_app_number] => 18/966102 [patent_app_country] => US [patent_app_date] => 2024-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18966102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/966102
FRACTIONATION TRAY WITH ADJUSTABLE OPEN AREA FOR CLEANING AND/OR THROUGHPUT CONTROL Dec 1, 2024 Pending
Array ( [id] => 20041144 [patent_doc_number] => 20250179366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => MONITORING AND MODULATION SYSTEM FOR A COKE OVEN BATTERY [patent_app_type] => utility [patent_app_number] => 18/945677 [patent_app_country] => US [patent_app_date] => 2024-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945677
MONITORING AND MODULATION SYSTEM FOR A COKE OVEN BATTERY Nov 12, 2024 Pending
Array ( [id] => 19785765 [patent_doc_number] => 20250059444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => PYROLYSIS REACTION SYSTEM AND METHOD OF PYROLYSING AN ORGANIC FEED [patent_app_type] => utility [patent_app_number] => 18/936431 [patent_app_country] => US [patent_app_date] => 2024-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18936431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/936431
PYROLYSIS REACTION SYSTEM AND METHOD OF PYROLYSING AN ORGANIC FEED Nov 3, 2024 Pending
Array ( [id] => 20672054 [patent_doc_number] => 12612555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Systems and methods for removing carbon from reaction chambers in pyrolysis reactors [patent_app_type] => utility [patent_app_number] => 18/925643 [patent_app_country] => US [patent_app_date] => 2024-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 41 [patent_no_of_words] => 14508 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18925643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/925643
Systems and methods for removing carbon from reaction chambers in pyrolysis reactors Oct 23, 2024 Issued
Array ( [id] => 19862524 [patent_doc_number] => 20250101310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => MONITORING AND MODULATION SYSTEM FOR A COKE OVEN BATTERY [patent_app_type] => utility [patent_app_number] => 18/823830 [patent_app_country] => US [patent_app_date] => 2024-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18823830 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/823830
MONITORING AND MODULATION SYSTEM FOR A COKE OVEN BATTERY Sep 3, 2024 Pending
Array ( [id] => 20050130 [patent_doc_number] => 20250188352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => PYROLYSIS CONTROL APPARATUS AND METHOD USING IMAGE INFORMATION OF RAW MATERIALS AND PRODUCTS [patent_app_type] => utility [patent_app_number] => 18/807495 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807495
PYROLYSIS CONTROL APPARATUS AND METHOD USING IMAGE INFORMATION OF RAW MATERIALS AND PRODUCTS Aug 15, 2024 Pending
Array ( [id] => 20076568 [patent_doc_number] => 12350604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => All-weather solar seawater desalination device and method [patent_app_type] => utility [patent_app_number] => 18/797824 [patent_app_country] => US [patent_app_date] => 2024-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797824
All-weather solar seawater desalination device and method Aug 7, 2024 Issued
Array ( [id] => 20288524 [patent_doc_number] => 20250313767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => FULLY MODULARLY ASSEMBLED BOTTOM-FEED PYROLYSIS REACTOR AND MULTI-PRODUCT CO-GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/772719 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772719
FULLY MODULARLY ASSEMBLED BOTTOM-FEED PYROLYSIS REACTOR AND MULTI-PRODUCT CO-GENERATION SYSTEM Jul 14, 2024 Pending
Array ( [id] => 20115279 [patent_doc_number] => 12364965 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => High-energy laser surface processing for industrial column packing [patent_app_type] => utility [patent_app_number] => 18/770192 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3471 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770192
High-energy laser surface processing for industrial column packing Jul 10, 2024 Issued
Array ( [id] => 19708170 [patent_doc_number] => 20250018312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => FURANOCOUMARINS FREE BAKUCHIOL COMPOSITIONS AND THEIR METHOD OF PREPARATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/762114 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18762114 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762114
FURANOCOUMARINS FREE BAKUCHIOL COMPOSITIONS AND THEIR METHOD OF PREPARATION THEREOF Jul 1, 2024 Pending
Array ( [id] => 19540997 [patent_doc_number] => 20240358033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => POWDERIZATION OF HUMAN MILK [patent_app_type] => utility [patent_app_number] => 18/761422 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761422 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761422
POWDERIZATION OF HUMAN MILK Jul 1, 2024 Pending
Array ( [id] => 19510942 [patent_doc_number] => 20240342628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => CONTINUOUS VACUUM DISTILLATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/751470 [patent_app_country] => US [patent_app_date] => 2024-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751470
CONTINUOUS VACUUM DISTILLATION SYSTEM AND METHOD Jun 23, 2024 Pending
Array ( [id] => 19462807 [patent_doc_number] => 20240316476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => HEAT INTEGRATED PROCESS AND SYSTEM FOR ORGANIC SOLVENT PRODUCTION USING VAPOR RECOMPRESSION [patent_app_type] => utility [patent_app_number] => 18/736752 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18736752 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/736752
Heat integrated process and system for organic solvent production using vapor recompression Jun 6, 2024 Issued
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