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] => 2313746 [patent_doc_number] => 04635719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-13 [patent_title] => 'Method for hydraulic fracture propagation in hydrocarbon-bearing formations' [patent_app_type] => 1 [patent_app_number] => 6/822051 [patent_app_country] => US [patent_app_date] => 1986-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5062 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/635/04635719.pdf [firstpage_image] =>[orig_patent_app_number] => 822051 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/822051
Method for hydraulic fracture propagation in hydrocarbon-bearing formations Jan 23, 1986 Issued
06/819645 EARTH BORING BIT HAVING A REPLACEABLE, THREADED NOZZLE WITH WRENCH SOCKET Jan 15, 1986 Abandoned
Array ( [id] => 2317763 [patent_doc_number] => 04705122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-10 [patent_title] => 'Cutter assemblies for rotary drill bits' [patent_app_type] => 1 [patent_app_number] => 6/818628 [patent_app_country] => US [patent_app_date] => 1986-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 4260 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/705/04705122.pdf [firstpage_image] =>[orig_patent_app_number] => 818628 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/818628
Cutter assemblies for rotary drill bits Jan 13, 1986 Issued
Array ( [id] => 2309696 [patent_doc_number] => 04669546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-02 [patent_title] => 'Method to improve vertical hydraulic fracturing in inclined wellbores' [patent_app_type] => 1 [patent_app_number] => 6/815970 [patent_app_country] => US [patent_app_date] => 1986-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1118 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/669/04669546.pdf [firstpage_image] =>[orig_patent_app_number] => 815970 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/815970
Method to improve vertical hydraulic fracturing in inclined wellbores Jan 2, 1986 Issued
Array ( [id] => 2234281 [patent_doc_number] => 04632186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-30 [patent_title] => 'Well cementing method using an AM/AMPS fluid loss additive blend' [patent_app_type] => 1 [patent_app_number] => 6/814350 [patent_app_country] => US [patent_app_date] => 1985-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2313 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/632/04632186.pdf [firstpage_image] =>[orig_patent_app_number] => 814350 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/814350
Well cementing method using an AM/AMPS fluid loss additive blend Dec 26, 1985 Issued
Array ( [id] => 2304944 [patent_doc_number] => 04674994 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-23 [patent_title] => 'Power transmission apparatus' [patent_app_type] => 1 [patent_app_number] => 6/812798 [patent_app_country] => US [patent_app_date] => 1985-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2512 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/674/04674994.pdf [firstpage_image] =>[orig_patent_app_number] => 812798 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/812798
Power transmission apparatus Dec 22, 1985 Issued
Array ( [id] => 2356553 [patent_doc_number] => 04646824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-03 [patent_title] => 'Patterns of horizontal and vertical wells for improving oil recovery efficiency' [patent_app_type] => 1 [patent_app_number] => 6/812692 [patent_app_country] => US [patent_app_date] => 1985-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 2682 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/646/04646824.pdf [firstpage_image] =>[orig_patent_app_number] => 812692 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/812692
Patterns of horizontal and vertical wells for improving oil recovery efficiency Dec 22, 1985 Issued
Array ( [id] => 2324753 [patent_doc_number] => 04700781 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-20 [patent_title] => 'Heavy crude oil production tool and method' [patent_app_type] => 1 [patent_app_number] => 6/806445 [patent_app_country] => US [patent_app_date] => 1985-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 897 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/700/04700781.pdf [firstpage_image] =>[orig_patent_app_number] => 806445 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/806445
Heavy crude oil production tool and method Dec 8, 1985 Issued
Array ( [id] => 2325101 [patent_doc_number] => 04676314 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-30 [patent_title] => 'Method of recovering oil' [patent_app_type] => 1 [patent_app_number] => 6/805832 [patent_app_country] => US [patent_app_date] => 1985-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 2117 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/676/04676314.pdf [firstpage_image] =>[orig_patent_app_number] => 805832 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/805832
Method of recovering oil Dec 5, 1985 Issued
Array ( [id] => 2373458 [patent_doc_number] => 04662443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-05 [patent_title] => 'Combination air-blown and oxygen-blown underground coal gasification process' [patent_app_type] => 1 [patent_app_number] => 6/806054 [patent_app_country] => US [patent_app_date] => 1985-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2012 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/662/04662443.pdf [firstpage_image] =>[orig_patent_app_number] => 806054 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/806054
Combination air-blown and oxygen-blown underground coal gasification process Dec 4, 1985 Issued
Array ( [id] => 2358151 [patent_doc_number] => 04693316 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-15 [patent_title] => 'Round mandrel slip joint' [patent_app_type] => 1 [patent_app_number] => 6/800172 [patent_app_country] => US [patent_app_date] => 1985-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4552 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/693/04693316.pdf [firstpage_image] =>[orig_patent_app_number] => 800172 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/800172
Round mandrel slip joint Nov 19, 1985 Issued
Array ( [id] => 2370921 [patent_doc_number] => 04751969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-21 [patent_title] => 'Apparatus and method for removing fluids from a well' [patent_app_type] => 1 [patent_app_number] => 6/798000 [patent_app_country] => US [patent_app_date] => 1985-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4974 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751969.pdf [firstpage_image] =>[orig_patent_app_number] => 798000 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/798000
Apparatus and method for removing fluids from a well Nov 13, 1985 Issued
Array ( [id] => 2288931 [patent_doc_number] => 04681163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-21 [patent_title] => 'Sand control system' [patent_app_type] => 1 [patent_app_number] => 6/797109 [patent_app_country] => US [patent_app_date] => 1985-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 22 [patent_no_of_words] => 3322 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/681/04681163.pdf [firstpage_image] =>[orig_patent_app_number] => 797109 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/797109
Sand control system Nov 11, 1985 Issued
Array ( [id] => 2359486 [patent_doc_number] => 04666421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-19 [patent_title] => 'Drive chain belt' [patent_app_type] => 1 [patent_app_number] => 6/795411 [patent_app_country] => US [patent_app_date] => 1985-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1995 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/666/04666421.pdf [firstpage_image] =>[orig_patent_app_number] => 795411 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/795411
Drive chain belt Nov 5, 1985 Issued
Array ( [id] => 2236900 [patent_doc_number] => 04613004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-23 [patent_title] => 'Earth boring bit with labyrinth seal protector' [patent_app_type] => 1 [patent_app_number] => 6/795574 [patent_app_country] => US [patent_app_date] => 1985-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1404 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/613/04613004.pdf [firstpage_image] =>[orig_patent_app_number] => 795574 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/795574
Earth boring bit with labyrinth seal protector Nov 5, 1985 Issued
Array ( [id] => 2503136 [patent_doc_number] => 04869320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Wellbore packer' [patent_app_type] => 1 [patent_app_number] => 6/794344 [patent_app_country] => US [patent_app_date] => 1985-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1860 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869320.pdf [firstpage_image] =>[orig_patent_app_number] => 794344 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/794344
Wellbore packer Oct 30, 1985 Issued
Array ( [id] => 2329497 [patent_doc_number] => 04660642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-28 [patent_title] => 'High strength, chemical resistant particulate solids and methods of forming and using the same' [patent_app_type] => 1 [patent_app_number] => 6/792096 [patent_app_country] => US [patent_app_date] => 1985-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2322 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/660/04660642.pdf [firstpage_image] =>[orig_patent_app_number] => 792096 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/792096
High strength, chemical resistant particulate solids and methods of forming and using the same Oct 27, 1985 Issued
Array ( [id] => 2344284 [patent_doc_number] => 04649996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-17 [patent_title] => 'Double walled screen-filter with perforated joints' [patent_app_type] => 1 [patent_app_number] => 6/790646 [patent_app_country] => US [patent_app_date] => 1985-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3694 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/649/04649996.pdf [firstpage_image] =>[orig_patent_app_number] => 790646 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/790646
Double walled screen-filter with perforated joints Oct 22, 1985 Issued
Array ( [id] => 2313771 [patent_doc_number] => 04635721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-13 [patent_title] => 'Method of displacing fluids within a gas-condensate reservoir' [patent_app_type] => 1 [patent_app_number] => 6/789869 [patent_app_country] => US [patent_app_date] => 1985-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3317 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/635/04635721.pdf [firstpage_image] =>[orig_patent_app_number] => 789869 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/789869
Method of displacing fluids within a gas-condensate reservoir Oct 20, 1985 Issued
Array ( [id] => 2340093 [patent_doc_number] => 04702321 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-27 [patent_title] => 'Drilling, production and oil storage caisson for deep water' [patent_app_type] => 1 [patent_app_number] => 6/778496 [patent_app_country] => US [patent_app_date] => 1985-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 6453 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/702/04702321.pdf [firstpage_image] =>[orig_patent_app_number] => 778496 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/778496
Drilling, production and oil storage caisson for deep water Sep 19, 1985 Issued
Menu