Search

Leonard E. Smith

Examiner (ID: 13908)

Most Active Art Unit
3403
Art Unit(s)
2899, 3403, 3502, 3402
Total Applications
1086
Issued Applications
977
Pending Applications
2
Abandoned Applications
107

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2356489 [patent_doc_number] => 04682654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'Enzymatically-treated guar gums' [patent_app_type] => 1 [patent_app_number] => 6/917032 [patent_app_country] => US [patent_app_date] => 1986-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2041 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/682/04682654.pdf [firstpage_image] =>[orig_patent_app_number] => 917032 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/917032
Enzymatically-treated guar gums Oct 8, 1986 Issued
Array ( [id] => 2440841 [patent_doc_number] => 04722405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-02-02 [patent_title] => 'Wear compensating rock bit insert' [patent_app_type] => 1 [patent_app_number] => 6/914205 [patent_app_country] => US [patent_app_date] => 1986-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 11 [patent_no_of_words] => 3968 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/722/04722405.pdf [firstpage_image] =>[orig_patent_app_number] => 914205 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/914205
Wear compensating rock bit insert Sep 30, 1986 Issued
Array ( [id] => 2535938 [patent_doc_number] => 04807708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Directional drilling of a drill string' [patent_app_type] => 1 [patent_app_number] => 7/079780 [patent_app_country] => US [patent_app_date] => 1986-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2074 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/807/04807708.pdf [firstpage_image] =>[orig_patent_app_number] => 079780 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/079780
Directional drilling of a drill string Sep 30, 1986 Issued
Array ( [id] => 2299084 [patent_doc_number] => 04674574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-23 [patent_title] => 'Fluid loss agents for oil well cementing composition' [patent_app_type] => 1 [patent_app_number] => 6/913132 [patent_app_country] => US [patent_app_date] => 1986-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6383 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/674/04674574.pdf [firstpage_image] =>[orig_patent_app_number] => 913132 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/913132
Fluid loss agents for oil well cementing composition Sep 25, 1986 Issued
Array ( [id] => 2309046 [patent_doc_number] => 04688651 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-25 [patent_title] => 'Cone mouth debris exclusion shield' [patent_app_type] => 1 [patent_app_number] => 6/910572 [patent_app_country] => US [patent_app_date] => 1986-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3254 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/688/04688651.pdf [firstpage_image] =>[orig_patent_app_number] => 910572 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/910572
Cone mouth debris exclusion shield Sep 22, 1986 Issued
Array ( [id] => 2316616 [patent_doc_number] => 04697652 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-06 [patent_title] => 'Reversible roller stabilizer extensions for earth boring head' [patent_app_type] => 1 [patent_app_number] => 6/909273 [patent_app_country] => US [patent_app_date] => 1986-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2813 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/697/04697652.pdf [firstpage_image] =>[orig_patent_app_number] => 909273 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/909273
Reversible roller stabilizer extensions for earth boring head Sep 18, 1986 Issued
Array ( [id] => 2309590 [patent_doc_number] => 04669537 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-02 [patent_title] => 'Well test tool and system' [patent_app_type] => 1 [patent_app_number] => 6/907988 [patent_app_country] => US [patent_app_date] => 1986-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 27 [patent_no_of_words] => 11388 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/669/04669537.pdf [firstpage_image] =>[orig_patent_app_number] => 907988 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/907988
Well test tool and system Sep 15, 1986 Issued
Array ( [id] => 2278574 [patent_doc_number] => 04678033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-07 [patent_title] => 'Hydrocarbon recovery process' [patent_app_type] => 1 [patent_app_number] => 6/904532 [patent_app_country] => US [patent_app_date] => 1986-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2371 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/678/04678033.pdf [firstpage_image] =>[orig_patent_app_number] => 904532 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/904532
Hydrocarbon recovery process Sep 7, 1986 Issued
Array ( [id] => 2293507 [patent_doc_number] => 04683952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-04 [patent_title] => 'Fluid loss control in oil field cements' [patent_app_type] => 1 [patent_app_number] => 6/903450 [patent_app_country] => US [patent_app_date] => 1986-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3406 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/683/04683952.pdf [firstpage_image] =>[orig_patent_app_number] => 903450 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/903450
Fluid loss control in oil field cements Sep 3, 1986 Issued
Array ( [id] => 2709642 [patent_doc_number] => 05024274 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-18 [patent_title] => 'Method and apparatus for enhanced oil recovery' [patent_app_type] => 1 [patent_app_number] => 6/901556 [patent_app_country] => US [patent_app_date] => 1986-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2791 [patent_no_of_claims] => 54 [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] => patents/05/024/05024274.pdf [firstpage_image] =>[orig_patent_app_number] => 901556 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/901556
Method and apparatus for enhanced oil recovery Aug 28, 1986 Issued
Array ( [id] => 2401252 [patent_doc_number] => 04718503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Method of drilling a borehole' [patent_app_type] => 1 [patent_app_number] => 6/901119 [patent_app_country] => US [patent_app_date] => 1986-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1704 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/718/04718503.pdf [firstpage_image] =>[orig_patent_app_number] => 901119 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/901119
Method of drilling a borehole Aug 27, 1986 Issued
Array ( [id] => 2309269 [patent_doc_number] => 04715657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-29 [patent_title] => 'Double ranging drum cutter having bedrock sensor based on video image processing system' [patent_app_type] => 1 [patent_app_number] => 6/900419 [patent_app_country] => US [patent_app_date] => 1986-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3140 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/715/04715657.pdf [firstpage_image] =>[orig_patent_app_number] => 900419 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/900419
Double ranging drum cutter having bedrock sensor based on video image processing system Aug 25, 1986 Issued
Array ( [id] => 2317504 [patent_doc_number] => 04671352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-09 [patent_title] => 'Apparatus for selectively injecting treating fluids into earth formations' [patent_app_type] => 1 [patent_app_number] => 6/899873 [patent_app_country] => US [patent_app_date] => 1986-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7638 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/671/04671352.pdf [firstpage_image] =>[orig_patent_app_number] => 899873 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899873
Apparatus for selectively injecting treating fluids into earth formations Aug 24, 1986 Issued
06/899657 METHOD FOR EXPLOITING MINERAL OIL BY USING CARBON DIOXIDE, IN PARTICULAR IN STORING ROCKS CONTAINING SAND, SANDSTONE AND MARLACEOUS SANDSTONE Aug 24, 1986 Abandoned
Array ( [id] => 2317815 [patent_doc_number] => 04705124 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-10 [patent_title] => 'Cutting element with wear resistant crown' [patent_app_type] => 1 [patent_app_number] => 6/899529 [patent_app_country] => US [patent_app_date] => 1986-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 6868 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/705/04705124.pdf [firstpage_image] =>[orig_patent_app_number] => 899529 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899529
Cutting element with wear resistant crown Aug 21, 1986 Issued
Array ( [id] => 2373015 [patent_doc_number] => 04706744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-17 [patent_title] => 'Wireline tool connector' [patent_app_type] => 1 [patent_app_number] => 6/899443 [patent_app_country] => US [patent_app_date] => 1986-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3179 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/706/04706744.pdf [firstpage_image] =>[orig_patent_app_number] => 899443 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899443
Wireline tool connector Aug 21, 1986 Issued
Array ( [id] => 2354804 [patent_doc_number] => 04665984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-19 [patent_title] => 'Method of measuring crustal stress by hydraulic fracture based on analysis of crack growth in rock' [patent_app_type] => 1 [patent_app_number] => 6/896218 [patent_app_country] => US [patent_app_date] => 1986-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 5705 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/665/04665984.pdf [firstpage_image] =>[orig_patent_app_number] => 896218 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/896218
Method of measuring crustal stress by hydraulic fracture based on analysis of crack growth in rock Aug 13, 1986 Issued
Array ( [id] => 2304957 [patent_doc_number] => 04699216 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-13 [patent_title] => 'Blowout preventer for a side entry sub' [patent_app_type] => 1 [patent_app_number] => 6/895697 [patent_app_country] => US [patent_app_date] => 1986-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 4615 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/699/04699216.pdf [firstpage_image] =>[orig_patent_app_number] => 895697 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/895697
Blowout preventer for a side entry sub Aug 11, 1986 Issued
Array ( [id] => 2374478 [patent_doc_number] => 04763737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-16 [patent_title] => 'Downhole cutter' [patent_app_type] => 1 [patent_app_number] => 6/895125 [patent_app_country] => US [patent_app_date] => 1986-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 16 [patent_no_of_words] => 3578 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/763/04763737.pdf [firstpage_image] =>[orig_patent_app_number] => 895125 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/895125
Downhole cutter Aug 10, 1986 Issued
Array ( [id] => 2317633 [patent_doc_number] => 04705112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-10 [patent_title] => 'Method and apparatus for effecting an opening in a well casing' [patent_app_type] => 1 [patent_app_number] => 6/892870 [patent_app_country] => US [patent_app_date] => 1986-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 3548 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/705/04705112.pdf [firstpage_image] =>[orig_patent_app_number] => 892870 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/892870
Method and apparatus for effecting an opening in a well casing Aug 3, 1986 Issued
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