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] => 19298202 [patent_doc_number] => 20240226768 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/368233 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18368233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368233
DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE Sep 13, 2023 Pending
Array ( [id] => 19298202 [patent_doc_number] => 20240226768 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/368233 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18368233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368233
DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE Sep 12, 2023 Pending
Array ( [id] => 18986755 [patent_doc_number] => 20240058724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => Pressure Gradient Seawater Distillation System [patent_app_type] => utility [patent_app_number] => 18/448801 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18448801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448801
Pressure Gradient Seawater Distillation System Aug 10, 2023 Abandoned
Array ( [id] => 20164174 [patent_doc_number] => 20250256220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => SPRAY-DRIER FOR THE PRODUCTION OF ATOMIZED CERAMIC POWDER FROM A WATER SUSPENSION OF CERAMIC MATERIAL [patent_app_type] => utility [patent_app_number] => 19/102424 [patent_app_country] => US [patent_app_date] => 2023-08-07 [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] => -13 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19102424 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/102424
Spray-drier for the production of atomized ceramic powder from a water suspension of ceramic material Aug 6, 2023 Issued
Array ( [id] => 18879363 [patent_doc_number] => 20240002732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => Custom Coke Production [patent_app_type] => utility [patent_app_number] => 18/228138 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18228138 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/228138
Custom coke production Jul 30, 2023 Issued
Array ( [id] => 20687872 [patent_doc_number] => 12618009 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Pyrolysis system for converting carboneous materials into biochar and method for operating same [patent_app_type] => utility [patent_app_number] => 18/221115 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1115 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221115
PYROLYSIS SYSTEM FOR CONVERTING CARBONEOUS MATERIALS INTO BIOCHAR AND METHOD FOR OPERATING SAME Jul 11, 2023 Issued
Array ( [id] => 19142070 [patent_doc_number] => 20240140893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => HIGH-GRADE ETHANOL PRODUCTION PROCESS [patent_app_type] => utility [patent_app_number] => 18/219470 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18219470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219470
High-grade ethanol production system Jul 6, 2023 Issued
Array ( [id] => 18692418 [patent_doc_number] => 20230322652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => ETHANOL PRODUCTION VIA DISTILLATION AND DEHYDRATION [patent_app_type] => utility [patent_app_number] => 18/209099 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18209099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209099
ETHANOL PRODUCTION VIA DISTILLATION AND DEHYDRATION Jun 12, 2023 Abandoned
18/330193 CONTINUOUS VACUUM DISTILLATION SYSTEM AND METHOD Jun 5, 2023 Abandoned
Array ( [id] => 19889411 [patent_doc_number] => 20250114723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => A SYSTEM AND METHOD FOR DISTILLATION [patent_app_type] => utility [patent_app_number] => 18/276718 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18276718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276718
A SYSTEM AND METHOD FOR DISTILLATION May 31, 2023 Abandoned
Array ( [id] => 19701659 [patent_doc_number] => 12195671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Automatic draft control system for coke plants [patent_app_type] => utility [patent_app_number] => 18/321530 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12571 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321530
Automatic draft control system for coke plants May 21, 2023 Issued
Array ( [id] => 19701659 [patent_doc_number] => 12195671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Automatic draft control system for coke plants [patent_app_type] => utility [patent_app_number] => 18/321530 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12571 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321530
Automatic draft control system for coke plants May 21, 2023 Issued
Array ( [id] => 20149539 [patent_doc_number] => 20250249377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => Vacuum Evaporation Unit [patent_app_type] => utility [patent_app_number] => 18/856764 [patent_app_country] => US [patent_app_date] => 2023-05-19 [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] => -6 [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] => 18856764 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/856764
Vacuum Evaporation Unit May 18, 2023 Pending
Array ( [id] => 19586618 [patent_doc_number] => 20240384175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SYSTEM FOR CONDUCTING HIGH-TEMPERATURE THERMOLYSIS OF WASTE TIRES AND RUBBER PRODUCTS [patent_app_type] => utility [patent_app_number] => 18/198921 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 787 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198921
SYSTEM FOR CONDUCTING HIGH-TEMPERATURE THERMOLYSIS OF WASTE TIRES AND RUBBER PRODUCTS May 17, 2023 Abandoned
Array ( [id] => 19339411 [patent_doc_number] => 12049590 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-30 [patent_title] => Carbon capture system [patent_app_type] => utility [patent_app_number] => 18/318337 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 16648 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318337
Carbon capture system May 15, 2023 Issued
Array ( [id] => 18597488 [patent_doc_number] => 20230272284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => COKING SYSTEM AND COKING PROCESS [patent_app_type] => utility [patent_app_number] => 18/315192 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315192
COKING SYSTEM AND COKING PROCESS May 9, 2023 Pending
Array ( [id] => 19113031 [patent_doc_number] => 20240124781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => HORIZONTAL ROTATING DRUM RETORT, DISTILLATION COLUMN, AND DISTILLATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/144756 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18144756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144756
HORIZONTAL ROTATING DRUM RETORT, DISTILLATION COLUMN, AND DISTILLATION SYSTEM May 7, 2023 Abandoned
Array ( [id] => 18986882 [patent_doc_number] => 20240058851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => Methods for Petroleum Coke Carbon Capture and Sequestration [patent_app_type] => utility [patent_app_number] => 18/143760 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5143 [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] => 18143760 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143760
Methods for Petroleum Coke Carbon Capture and Sequestration May 4, 2023 Abandoned
Array ( [id] => 19142006 [patent_doc_number] => 20240140828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Activated Carbon-Cement Composite Coated Polyurethane Foam Based Solar Thermal Evaporator [patent_app_type] => utility [patent_app_number] => 18/311596 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311596 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311596
Activated carbon-cement composite coated polyurethane foam based solar thermal evaporator May 2, 2023 Issued
Array ( [id] => 19527038 [patent_doc_number] => 20240350940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => DISTILLATION COLUMN MINIMUM FLOW ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/303876 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18303876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/303876
DISTILLATION COLUMN MINIMUM FLOW ARRANGEMENT Apr 19, 2023 Pending
Menu