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] => 17006153 [patent_doc_number] => 20210237314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => APPARATUS AND METHOD FOR PRODUCING AND DISPENSING A REACTION MIXTURE [patent_app_type] => utility [patent_app_number] => 17/049134 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17049134 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/049134
Apparatus and method for producing and dispensing a reaction mixture Apr 25, 2019 Issued
Array ( [id] => 17023015 [patent_doc_number] => 20210246886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Fluorosulfones [patent_app_type] => utility [patent_app_number] => 17/049752 [patent_app_country] => US [patent_app_date] => 2019-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17049752 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/049752
Fluorosulfones Apr 22, 2019 Abandoned
Array ( [id] => 16816859 [patent_doc_number] => 11001665 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-11 [patent_title] => Open-cell rigid polyurethane foam and the use thereof [patent_app_type] => utility [patent_app_number] => 17/048652 [patent_app_country] => US [patent_app_date] => 2019-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4750 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17048652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/048652
Open-cell rigid polyurethane foam and the use thereof Apr 22, 2019 Issued
Array ( [id] => 16915995 [patent_doc_number] => 20210189087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => FOAMS BASED ON THERMOPLASTIC ELASTOMERS [patent_app_type] => utility [patent_app_number] => 17/045348 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045348
FOAMS BASED ON THERMOPLASTIC ELASTOMERS Apr 17, 2019 Abandoned
Array ( [id] => 16870236 [patent_doc_number] => 20210163703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => FOAMS BASED ON THERMOPLASTIC ELASTOMERS [patent_app_type] => utility [patent_app_number] => 17/045604 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045604 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045604
FOAMS BASED ON THERMOPLASTIC ELASTOMERS Apr 17, 2019 Abandoned
Array ( [id] => 14778121 [patent_doc_number] => 20190263958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => Composition [patent_app_type] => utility [patent_app_number] => 16/386978 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16386978 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/386978
Composition Apr 16, 2019 Issued
Array ( [id] => 15726913 [patent_doc_number] => 10611879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-07 [patent_title] => Polyester polyols from thermoplastic polyesters and dimer fatty acids [patent_app_type] => utility [patent_app_number] => 16/383951 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8390 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16383951 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/383951
Polyester polyols from thermoplastic polyesters and dimer fatty acids Apr 14, 2019 Issued
Array ( [id] => 14652953 [patent_doc_number] => 20190233605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT [patent_app_type] => utility [patent_app_number] => 16/381093 [patent_app_country] => US [patent_app_date] => 2019-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16381093 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/381093
STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT Apr 10, 2019 Abandoned
Array ( [id] => 18932362 [patent_doc_number] => 11884769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Polyurethane foam forming compositions [patent_app_type] => utility [patent_app_number] => 17/045507 [patent_app_country] => US [patent_app_date] => 2019-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17035 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045507 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045507
Polyurethane foam forming compositions Apr 4, 2019 Issued
Array ( [id] => 14930011 [patent_doc_number] => 20190300643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => 2-PART REACTIVE URETHANE RESIN COMPOSITION AND METHOD FOR PRODUCING THEREOF [patent_app_type] => utility [patent_app_number] => 16/368067 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16368067 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/368067
2-PART REACTIVE URETHANE RESIN COMPOSITION AND METHOD FOR PRODUCING THEREOF Mar 27, 2019 Abandoned
Array ( [id] => 16598150 [patent_doc_number] => 20210024681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => METHOD FOR PRODUCING POLYURETHANE SOFT FOAMS [patent_app_type] => utility [patent_app_number] => 16/980905 [patent_app_country] => US [patent_app_date] => 2019-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9936 [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] => 16980905 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/980905
METHOD FOR PRODUCING POLYURETHANE SOFT FOAMS Mar 18, 2019 Abandoned
Array ( [id] => 16778134 [patent_doc_number] => 20210115212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => PROCESS FOR PRODUCING RIGID, FLAME-RETARDANT PU/PIR FOAM [patent_app_type] => utility [patent_app_number] => 17/042245 [patent_app_country] => US [patent_app_date] => 2019-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17042245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/042245
PROCESS FOR PRODUCING RIGID, FLAME-RETARDANT PU/PIR FOAM Mar 18, 2019 Abandoned
Array ( [id] => 17769438 [patent_doc_number] => 11401366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Viscoelastic foam [patent_app_type] => utility [patent_app_number] => 16/976800 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 10739 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16976800 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/976800
Viscoelastic foam Mar 7, 2019 Issued
Array ( [id] => 16673178 [patent_doc_number] => 20210061941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => FLEXIBLE POLYURETHANE FOAM HAVING PROLONGED RECOVERY TIME [patent_app_type] => utility [patent_app_number] => 16/979313 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16979313 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/979313
Flexible polyurethane foam having prolonged recovery time Mar 7, 2019 Issued
Array ( [id] => 16297840 [patent_doc_number] => 20200283563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => POLYOL BLENDS AND THEIR USE IN PRODUCING PUR-PIR FOAM-FORMING COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 16/296937 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296937 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296937
Polyol blends and their use in producing PUR-PIR foam-forming compositions Mar 7, 2019 Issued
Array ( [id] => 16297838 [patent_doc_number] => 20200283561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => HCFO-CONTAINING ISOCYANATE-REACTIVE COMPOSITIONS, RELATED FOAM-FORMING COMPOSITIONS AND PUR-PIR FOAMS [patent_app_type] => utility [patent_app_number] => 16/296872 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296872
HCFO-containing isocyanate-reactive compositions, related foam-forming compositions and PUR-PIR foams Mar 7, 2019 Issued
Array ( [id] => 14534701 [patent_doc_number] => 20190202972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => BROMINATED FLAME RETARDANT AND ITS APPLICATION IN POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 16/295095 [patent_app_country] => US [patent_app_date] => 2019-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16295095 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/295095
Brominated flame retardant and its application in polyurethane foams Mar 6, 2019 Issued
Array ( [id] => 16541072 [patent_doc_number] => 20200407485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => POLYURETHANE FOAMS BASED ON POLYETHERCARBONATE POLYOLS [patent_app_type] => utility [patent_app_number] => 16/975769 [patent_app_country] => US [patent_app_date] => 2019-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16975769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/975769
Polyurethane foams based on polyethercarbonate polyols Mar 3, 2019 Issued
Array ( [id] => 14501517 [patent_doc_number] => 20190194413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => IN-SITU FOAMING SYSTEM FOR FORMING FLAME-RETARDANT POLYURETHANE FOAM IN SITU [patent_app_type] => utility [patent_app_number] => 16/288683 [patent_app_country] => US [patent_app_date] => 2019-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8817 [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] => 16288683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/288683
IN-SITU FOAMING SYSTEM FOR FORMING FLAME-RETARDANT POLYURETHANE FOAM IN SITU Feb 27, 2019 Abandoned
Array ( [id] => 18044902 [patent_doc_number] => 11518843 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-06 [patent_title] => Polymeric materials with improved environmental durability [patent_app_type] => utility [patent_app_number] => 16/285355 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 19423 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16285355 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285355
Polymeric materials with improved environmental durability Feb 25, 2019 Issued
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