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] => 16283827 [patent_doc_number] => 20200277429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => POLYURETHANE FOAM SYSTEM [patent_app_type] => utility [patent_app_number] => 16/647660 [patent_app_country] => US [patent_app_date] => 2018-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16647660 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/647660
Polyurethane foam system Oct 16, 2018 Issued
Array ( [id] => 16206762 [patent_doc_number] => 20200239752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => A TWO-COMPONENT POLYURETHANE ADHESIVE [patent_app_type] => utility [patent_app_number] => 16/755379 [patent_app_country] => US [patent_app_date] => 2018-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16755379 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/755379
A TWO-COMPONENT POLYURETHANE ADHESIVE Oct 15, 2018 Abandoned
Array ( [id] => 14993895 [patent_doc_number] => 20190315905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => AMINE CATALYSTS FOR POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 16/160438 [patent_app_country] => US [patent_app_date] => 2018-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16160438 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/160438
Amine catalysts for polyurethane foams Oct 14, 2018 Issued
Array ( [id] => 16297841 [patent_doc_number] => 20200283564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => WATER BLOCKING MATERIAL [patent_app_type] => utility [patent_app_number] => 16/754607 [patent_app_country] => US [patent_app_date] => 2018-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16754607 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/754607
Water blocking material Oct 9, 2018 Issued
Array ( [id] => 14158847 [patent_doc_number] => 20190106526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-11 [patent_title] => BOUND STOPPER AND PRODUCTION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 16/155446 [patent_app_country] => US [patent_app_date] => 2018-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 16155446 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/155446
Bound stopper and production method therefor Oct 8, 2018 Issued
Array ( [id] => 17513734 [patent_doc_number] => 11292865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Polyisocyanurate comprising foams with long cream time and snap-cure behaviour [patent_app_type] => utility [patent_app_number] => 16/958251 [patent_app_country] => US [patent_app_date] => 2018-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6315 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16958251 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/958251
Polyisocyanurate comprising foams with long cream time and snap-cure behaviour Oct 4, 2018 Issued
Array ( [id] => 14132543 [patent_doc_number] => 20190100661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => Fire resistant foam composition and method [patent_app_type] => utility [patent_app_number] => 16/148898 [patent_app_country] => US [patent_app_date] => 2018-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16148898 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/148898
Fire resistant foam composition and method Sep 30, 2018 Abandoned
Array ( [id] => 15711305 [patent_doc_number] => 20200102418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => AUTOMOTIVE SEAT MADE FROM EPOXIDIZED SOY OIL [patent_app_type] => utility [patent_app_number] => 16/144220 [patent_app_country] => US [patent_app_date] => 2018-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16144220 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/144220
Automotive seat made from epoxidized soy oil Sep 26, 2018 Issued
Array ( [id] => 16786151 [patent_doc_number] => 10988566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Delayed action gelling catalyst compositions and methods for making polyurethane polymers [patent_app_type] => utility [patent_app_number] => 16/135809 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9090 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16135809 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/135809
Delayed action gelling catalyst compositions and methods for making polyurethane polymers Sep 18, 2018 Issued
Array ( [id] => 14072515 [patent_doc_number] => 20190085145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => METHODS OF FORMING POLYOL PREMIXES AND FOAMABLE COMPOSITIONS AND FOAMS FORMED THEREFROM [patent_app_type] => utility [patent_app_number] => 16/135269 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16135269 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/135269
METHODS OF FORMING POLYOL PREMIXES AND FOAMABLE COMPOSITIONS AND FOAMS FORMED THEREFROM Sep 18, 2018 Abandoned
Array ( [id] => 16681770 [patent_doc_number] => 10941237 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Storage stable foamable compositions containing 1,1,1,4,4,4-hexafluoro-2-butene [patent_app_type] => utility [patent_app_number] => 16/133031 [patent_app_country] => US [patent_app_date] => 2018-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6055 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16133031 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/133031
Storage stable foamable compositions containing 1,1,1,4,4,4-hexafluoro-2-butene Sep 16, 2018 Issued
Array ( [id] => 16688441 [patent_doc_number] => 20210070917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLEFINS AND A TERTIARY AMINE COMPOUND [patent_app_type] => utility [patent_app_number] => 16/644802 [patent_app_country] => US [patent_app_date] => 2018-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16644802 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/644802
Polyurethane insulation foam composition comprising halogenated olefins and a tertiary amine compound Sep 11, 2018 Issued
Array ( [id] => 16925387 [patent_doc_number] => 11046850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-29 [patent_title] => Mixed metal catalyst compositions and methods for making polyurethane foam [patent_app_type] => utility [patent_app_number] => 16/129216 [patent_app_country] => US [patent_app_date] => 2018-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4984 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16129216 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/129216
Mixed metal catalyst compositions and methods for making polyurethane foam Sep 11, 2018 Issued
Array ( [id] => 16190891 [patent_doc_number] => 20200231740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => COMPOSITION AND METHOD TO PRODUCE MICROCELLULAR POLYURETHANE FOAM SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/647540 [patent_app_country] => US [patent_app_date] => 2018-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16647540 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/647540
COMPOSITION AND METHOD TO PRODUCE MICROCELLULAR POLYURETHANE FOAM SYSTEMS Sep 11, 2018 Abandoned
Array ( [id] => 14043655 [patent_doc_number] => 20190077934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-14 [patent_title] => Hydrofluoro Olefin Propellant in a Polyurethane Foam Composition [patent_app_type] => utility [patent_app_number] => 16/125052 [patent_app_country] => US [patent_app_date] => 2018-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16125052 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/125052
Hydrofluoro Olefin Propellant in a Polyurethane Foam Composition Sep 6, 2018 Abandoned
Array ( [id] => 14019113 [patent_doc_number] => 20190071550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => Formation and Properties of Cellular Foam Fibrous Material [patent_app_type] => utility [patent_app_number] => 16/122251 [patent_app_country] => US [patent_app_date] => 2018-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16122251 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/122251
Formation and properties of cellular foam fibrous material Sep 4, 2018 Issued
Array ( [id] => 16206631 [patent_doc_number] => 20200239621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => PRODUCTION OF POLYURETHANE FOAM [patent_app_type] => utility [patent_app_number] => 16/636697 [patent_app_country] => US [patent_app_date] => 2018-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7011 [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] => 16636697 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/636697
PRODUCTION OF POLYURETHANE FOAM Aug 28, 2018 Abandoned
Array ( [id] => 18369198 [patent_doc_number] => 11649353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Synthetic membrane composition comprising a fluorinated polyurethane [patent_app_type] => utility [patent_app_number] => 16/642049 [patent_app_country] => US [patent_app_date] => 2018-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11305 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16642049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/642049
Synthetic membrane composition comprising a fluorinated polyurethane Aug 27, 2018 Issued
Array ( [id] => 15557013 [patent_doc_number] => 20200062918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => METHODS FOR FORMULATING POLYISOCYANURATE FOAM-FORMING COMPOSITIONS, RELATED POLYISOCYANURATE FOAM-FORMING COMPOSITIONS, AND FOAMS PRODUCED THEREBY [patent_app_type] => utility [patent_app_number] => 16/113359 [patent_app_country] => US [patent_app_date] => 2018-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16113359 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/113359
Methods for formulating polyisocyanurate foam-forming compositions, related polyisocyanurate foam-forming compositions, and foams produced thereby Aug 26, 2018 Issued
Array ( [id] => 16253590 [patent_doc_number] => 20200262964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => METHOD FOR MANUFACTURING ARTIFICIAL LEATHER [patent_app_type] => utility [patent_app_number] => 16/649067 [patent_app_country] => US [patent_app_date] => 2018-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16649067 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/649067
Method for manufacturing artificial leather Aug 8, 2018 Issued
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