Search

Zewdu A. Beyen

Examiner (ID: 12139, Phone: (571)270-7157 , Office: P/2461 )

Most Active Art Unit
2461
Art Unit(s)
2416, 2461, 2419
Total Applications
921
Issued Applications
723
Pending Applications
84
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17526753 [patent_doc_number] => 11299424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Pozzolanic compositions containing fly ash and remediation agents for use in cementitious materials [patent_app_type] => utility [patent_app_number] => 16/877387 [patent_app_country] => US [patent_app_date] => 2020-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16877387 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/877387
Pozzolanic compositions containing fly ash and remediation agents for use in cementitious materials May 17, 2020 Issued
Array ( [id] => 17761339 [patent_doc_number] => 20220234951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => CONCRETE MIX DESIGN AND METHOD FOR REALIZING DAM OR OTHER MASSIVE STRUCTURE BY USING THE CONCRETE MIX DESIGN [patent_app_type] => utility [patent_app_number] => 17/611853 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17611853 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611853
Concrete mix design and method for realizing dam or other massive structure by using the concrete mix design May 14, 2020 Issued
Array ( [id] => 16452395 [patent_doc_number] => 20200361821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => FIRE RETARDANT CEMENTITIOUS COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/874304 [patent_app_country] => US [patent_app_date] => 2020-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16874304 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/874304
Fire retardant cementitious composition May 13, 2020 Issued
Array ( [id] => 17837959 [patent_doc_number] => 20220275264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => FRICTION MATERIAL COMPOSITION, FRICTION MATERIAL, AND DISC BRAKE PAD [patent_app_type] => utility [patent_app_number] => 17/627711 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17627711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627711
FRICTION MATERIAL COMPOSITION, FRICTION MATERIAL, AND DISC BRAKE PAD May 11, 2020 Pending
Array ( [id] => 17213502 [patent_doc_number] => 20210346838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHOD FOR SULFUR REMOVAL FROM COAL FLY ASH [patent_app_type] => utility [patent_app_number] => 16/871508 [patent_app_country] => US [patent_app_date] => 2020-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16871508 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/871508
Method for sulfur removal from coal fly ash May 10, 2020 Issued
Array ( [id] => 17307261 [patent_doc_number] => 11208353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Long-workability calcium aluminate cement with hardening promoted by a temperature increase, and related use [patent_app_type] => utility [patent_app_number] => 16/872228 [patent_app_country] => US [patent_app_date] => 2020-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 19450 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16872228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/872228
Long-workability calcium aluminate cement with hardening promoted by a temperature increase, and related use May 10, 2020 Issued
Array ( [id] => 17734575 [patent_doc_number] => 20220220034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => NOISE REDUCING MORTAR COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/603486 [patent_app_country] => US [patent_app_date] => 2020-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17603486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/603486
Noise reducing mortar composition May 5, 2020 Issued
Array ( [id] => 17776440 [patent_doc_number] => 20220242789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => MINERAL BINDER COMPOSITIONS WITH ACCELERATED SETTING AND/OR CURING [patent_app_type] => utility [patent_app_number] => 17/603703 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17603703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/603703
Mineral binder compositions with accelerated setting and/or curing Apr 29, 2020 Issued
Array ( [id] => 16253378 [patent_doc_number] => 20200262752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => HYALOCLASTITE POZZOLAN, HYALOCLASTITE BASED CEMENT, HYALOCLASTITE BASED CONCRETE AND METHOD OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 16/858653 [patent_app_country] => US [patent_app_date] => 2020-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8297 [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] => 16858653 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858653
Hyaloclastite pozzolan, hyaloclastite based cement, hyaloclastite based concrete and method of making and using same Apr 25, 2020 Issued
Array ( [id] => 16312192 [patent_doc_number] => 20200290930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => IMPROVED MANUFACTURED NATURAL POZZOLAN, IMPROVED MANUFACTURED NATURAL POZZOLAN-BASED CEMENT AND METHOD OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 16/858667 [patent_app_country] => US [patent_app_date] => 2020-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16858667 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858667
Manufactured natural pozzolan, improved manufactured natural pozzolan-based cement and method of making and using same Apr 25, 2020 Issued
Array ( [id] => 19521011 [patent_doc_number] => 12122718 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Method of increasing the stability of a slag [patent_app_type] => utility [patent_app_number] => 17/611617 [patent_app_country] => US [patent_app_date] => 2020-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 8246 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17611617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611617
Method of increasing the stability of a slag Apr 21, 2020 Issued
Array ( [id] => 16222889 [patent_doc_number] => 20200248005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => USING QUATERNARY AMINE ADDITIVES TO IMPROVE WATER SEPARATION [patent_app_type] => utility [patent_app_number] => 16/854231 [patent_app_country] => US [patent_app_date] => 2020-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18431 [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] => 16854231 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/854231
Using quaternary amine additives to improve water separation Apr 20, 2020 Issued
Array ( [id] => 16206709 [patent_doc_number] => 20200239699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => CEMENT RESIN HYBRID PAINT AND COATING [patent_app_type] => utility [patent_app_number] => 16/851164 [patent_app_country] => US [patent_app_date] => 2020-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16851164 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/851164
Cement resin hybrid paint and coating Apr 16, 2020 Issued
Array ( [id] => 18360400 [patent_doc_number] => 20230141991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => ROOFING SYSTEM AND INSULATION ELEMENT FOR A FLAT ROOF OR A FLAT INCLINED ROOF [patent_app_type] => utility [patent_app_number] => 17/916461 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19638 [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] => 17916461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916461
ROOFING SYSTEM AND INSULATION ELEMENT FOR A FLAT ROOF OR A FLAT INCLINED ROOF Apr 2, 2020 Issued
Array ( [id] => 16360821 [patent_doc_number] => 20200317572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => ENGINEERED CEMENTITIOUS COMPOSITES [patent_app_type] => utility [patent_app_number] => 16/838169 [patent_app_country] => US [patent_app_date] => 2020-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22212 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16838169 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/838169
Engineered cementitious composites Apr 1, 2020 Issued
Array ( [id] => 16361493 [patent_doc_number] => 20200318244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => LOW TEMPERATURE-CURED CORROSION INHIBITION COATING [patent_app_type] => utility [patent_app_number] => 16/838378 [patent_app_country] => US [patent_app_date] => 2020-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16838378 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/838378
Low temperature-cured corrosion inhibition coating Apr 1, 2020 Issued
Array ( [id] => 19274519 [patent_doc_number] => 12024630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Dipping composite material for enhancing cut resistance of chemical-resistant gloves [patent_app_type] => utility [patent_app_number] => 16/962833 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1146 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16962833 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/962833
Dipping composite material for enhancing cut resistance of chemical-resistant gloves Mar 30, 2020 Issued
Array ( [id] => 17435824 [patent_doc_number] => 11261135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Chromate-free ceramic compositions with reduced curing temperature [patent_app_type] => utility [patent_app_number] => 16/834728 [patent_app_country] => US [patent_app_date] => 2020-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 46 [patent_no_of_words] => 10454 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16834728 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/834728
Chromate-free ceramic compositions with reduced curing temperature Mar 29, 2020 Issued
Array ( [id] => 18260600 [patent_doc_number] => 11608293 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Method for the production of Portland cement composition with low embodied energy and carbon for abrasion resistant concrete and mortar [patent_app_type] => utility [patent_app_number] => 16/830984 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7952 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16830984 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/830984
Method for the production of Portland cement composition with low embodied energy and carbon for abrasion resistant concrete and mortar Mar 25, 2020 Issued
Array ( [id] => 16276683 [patent_doc_number] => 10759697 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-09-01 [patent_title] => Curable formulations for structural and non-structural applications [patent_app_type] => utility [patent_app_number] => 16/831748 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 19759 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16831748 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/831748
Curable formulations for structural and non-structural applications Mar 25, 2020 Issued
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