Search

William T. Leader

Examiner (ID: 18853)

Most Active Art Unit
1102
Art Unit(s)
1741, 1742, 1753, 1795, 1723, 1109, 1106, 1104, 1102, 1754, 2899
Total Applications
1892
Issued Applications
1323
Pending Applications
98
Abandoned Applications
472

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16452660 [patent_doc_number] => 20200362086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE HAVING A LOW GLASS TRANSITION TEMPERATURE [patent_app_type] => utility [patent_app_number] => 16/766180 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18388 [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] => 16766180 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/766180
Method for preparing a thermoplastic polyurethane having a low glass transition temperature Dec 12, 2018 Issued
Array ( [id] => 14185475 [patent_doc_number] => 20190112442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => METHODS FOR PREPARING OPEN-CELLED POLYURETHANE FOAMS, SYSTEMS FOR USE THEREIN, AND OPEN-CELLED POLYURETHANE FOAMS PRODUCED THEREBY [patent_app_type] => utility [patent_app_number] => 16/217464 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16217464 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/217464
Methods for preparing open-celled polyurethane foams, systems for use therein, and open-celled polyurethane foams produced thereby Dec 11, 2018 Issued
Array ( [id] => 17844968 [patent_doc_number] => 11434321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Flame-retardant polyurethane rigid foams [patent_app_type] => utility [patent_app_number] => 16/764219 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8425 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16764219 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/764219
Flame-retardant polyurethane rigid foams Dec 11, 2018 Issued
Array ( [id] => 16513018 [patent_doc_number] => 20200392276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => FLAME-RETARDED RIGID POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 16/764211 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7610 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16764211 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/764211
Flame-retarded rigid polyurethane foams Dec 11, 2018 Issued
Array ( [id] => 18685315 [patent_doc_number] => 11781035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Polyurea copolymer coating compositions and methods [patent_app_type] => utility [patent_app_number] => 16/771285 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15685 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16771285 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/771285
Polyurea copolymer coating compositions and methods Dec 10, 2018 Issued
Array ( [id] => 18051675 [patent_doc_number] => 11525046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Foam [patent_app_type] => utility [patent_app_number] => 16/769660 [patent_app_country] => US [patent_app_date] => 2018-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9074 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16769660 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/769660
Foam Dec 9, 2018 Issued
Array ( [id] => 16398868 [patent_doc_number] => 20200339726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => ADHESIVE USEFUL FOR INSTALLING VEHICLE WINDOWS [patent_app_type] => utility [patent_app_number] => 16/958247 [patent_app_country] => US [patent_app_date] => 2018-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10434 [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] => 16958247 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/958247
Adhesive useful for installing vehicle windows Dec 6, 2018 Issued
Array ( [id] => 16824345 [patent_doc_number] => 20210139638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => A PROCESS FOR PRODUCING A POLYURETHANE FOAM INSOLE [patent_app_type] => utility [patent_app_number] => 16/771750 [patent_app_country] => US [patent_app_date] => 2018-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16771750 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/771750
Process for producing a polyurethane foam insole Dec 3, 2018 Issued
Array ( [id] => 15994589 [patent_doc_number] => 20200173165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => FOAM INSULATION WITH IMPROVED LOW TEMPERATURE PROPERTIES USING POLYOL ADDITIVES [patent_app_type] => utility [patent_app_number] => 16/207735 [patent_app_country] => US [patent_app_date] => 2018-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [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] => 16207735 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/207735
Foam insulation with improved low temperature properties using polyol additives Dec 2, 2018 Issued
Array ( [id] => 14132497 [patent_doc_number] => 20190100638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => POLYURETHANE FOAM PRODUCTION PROCESS, PRE-MIX, FORMULATION, AND PRODUCT [patent_app_type] => utility [patent_app_number] => 16/207784 [patent_app_country] => US [patent_app_date] => 2018-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8997 [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] => 16207784 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/207784
Polyurethane foam production process, pre-mix, formulation, and product Dec 2, 2018 Issued
Array ( [id] => 18853961 [patent_doc_number] => 11851523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Aging-resistant TPU [patent_app_type] => utility [patent_app_number] => 16/768408 [patent_app_country] => US [patent_app_date] => 2018-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7728 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16768408 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/768408
Aging-resistant TPU Nov 29, 2018 Issued
Array ( [id] => 16727945 [patent_doc_number] => 20210095092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => PESU PARTICLE FOAMS FOR APPLICATIONS IN AVIATION INTERIORS [patent_app_type] => utility [patent_app_number] => 15/733134 [patent_app_country] => US [patent_app_date] => 2018-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15733134 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733134
PESU PARTICLE FOAMS FOR APPLICATIONS IN AVIATION INTERIORS Nov 18, 2018 Abandoned
Array ( [id] => 17292329 [patent_doc_number] => 20210388168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => Benzoxazine Based Polyurethane Resin Composition [patent_app_type] => utility [patent_app_number] => 17/290844 [patent_app_country] => US [patent_app_date] => 2018-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17290844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/290844
Benzoxazine based polyurethane resin composition Nov 8, 2018 Issued
Array ( [id] => 15866561 [patent_doc_number] => 20200140684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => ETHYLENICALLY UNSATURATED MACROMERS PRODUCED FROM A RESIDUE OF ISOCYANATE MANUFACTURING, RELATED PREFORMED STABILIZERS, POLYMER POLYOLS, FOAM-FORMING COMPOSITIONS AND FOAMS [patent_app_type] => utility [patent_app_number] => 16/182705 [patent_app_country] => US [patent_app_date] => 2018-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16182705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/182705
Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams Nov 6, 2018 Issued
Array ( [id] => 16931535 [patent_doc_number] => 20210197424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => VEGETABLE OIL AS FOAM STABILIZER IN PU BOOTS MANUFACTURING [patent_app_type] => utility [patent_app_number] => 16/755381 [patent_app_country] => US [patent_app_date] => 2018-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7352 [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] => 16755381 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/755381
Vegetable oil as foam stabilizer in PU boots manufacturing Nov 6, 2018 Issued
Array ( [id] => 15865273 [patent_doc_number] => 20200140040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => Boat With An Enhanced Buoyant Body And Foam Filling Method For The Buoyant Body [patent_app_type] => utility [patent_app_number] => 16/182960 [patent_app_country] => US [patent_app_date] => 2018-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16182960 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/182960
Boat With An Enhanced Buoyant Body And Foam Filling Method For The Buoyant Body Nov 6, 2018 Abandoned
Array ( [id] => 18700815 [patent_doc_number] => 11787310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Electrically conductive urethane foam [patent_app_type] => utility [patent_app_number] => 16/760953 [patent_app_country] => US [patent_app_date] => 2018-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2618 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16760953 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/760953
Electrically conductive urethane foam Nov 1, 2018 Issued
Array ( [id] => 16276904 [patent_doc_number] => 10759919 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Polyurethane gel particles, methods and use in flexible foams [patent_app_type] => utility [patent_app_number] => 16/173742 [patent_app_country] => US [patent_app_date] => 2018-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 10522 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [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] => 16173742 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/173742
Polyurethane gel particles, methods and use in flexible foams Oct 28, 2018 Issued
Array ( [id] => 16353190 [patent_doc_number] => 10793692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-06 [patent_title] => Viscoelastic flexible foams comprising hydroxyl-terminated prepolymers [patent_app_type] => utility [patent_app_number] => 16/169323 [patent_app_country] => US [patent_app_date] => 2018-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19185 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16169323 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/169323
Viscoelastic flexible foams comprising hydroxyl-terminated prepolymers Oct 23, 2018 Issued
Array ( [id] => 16422082 [patent_doc_number] => 20200347280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => POLYURETHANE COMPOSITIONS WITH LOW EXPOSURE TO FREE MONOMERIC MDI ISOCYANATE CONTENT DURING SPRAY APPLICATION [patent_app_type] => utility [patent_app_number] => 16/760638 [patent_app_country] => US [patent_app_date] => 2018-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16760638 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/760638
Polyurethane compositions with low exposure to free monomeric MDI isocyanate content during spray application Oct 17, 2018 Issued
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