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] => 2013384 [patent_doc_number] => 04399865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Concentric steaming string downhole apparatus' [patent_app_type] => 1 [patent_app_number] => 6/284748 [patent_app_country] => US [patent_app_date] => 1981-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2351 [patent_no_of_claims] => 6 [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] => patents/04/399/04399865.pdf [firstpage_image] =>[orig_patent_app_number] => 284748 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/284748
Concentric steaming string downhole apparatus Jul 19, 1981 Issued
Array ( [id] => 2084703 [patent_doc_number] => 04423773 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-03 [patent_title] => 'Single acting subterranean well valve assembly with conduit fluid stripping means' [patent_app_type] => 1 [patent_app_number] => 6/285220 [patent_app_country] => US [patent_app_date] => 1981-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3262 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/423/04423773.pdf [firstpage_image] =>[orig_patent_app_number] => 285220 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/285220
Single acting subterranean well valve assembly with conduit fluid stripping means Jul 16, 1981 Issued
Array ( [id] => 2027687 [patent_doc_number] => 04422513 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-27 [patent_title] => 'Gas hydrates drilling procedure' [patent_app_type] => 1 [patent_app_number] => 6/280346 [patent_app_country] => US [patent_app_date] => 1981-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1449 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/422/04422513.pdf [firstpage_image] =>[orig_patent_app_number] => 280346 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/280346
Gas hydrates drilling procedure Jul 5, 1981 Issued
Array ( [id] => 2041936 [patent_doc_number] => 04386658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-07 [patent_title] => 'Solvent push-pull process for improving vertical conformance of steam drive process' [patent_app_type] => 1 [patent_app_number] => 6/280407 [patent_app_country] => US [patent_app_date] => 1981-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2938 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/386/04386658.pdf [firstpage_image] =>[orig_patent_app_number] => 280407 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/280407
Solvent push-pull process for improving vertical conformance of steam drive process Jul 5, 1981 Issued
Array ( [id] => 2122590 [patent_doc_number] => 04431057 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-02-14 [patent_title] => 'Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation' [patent_app_type] => 1 [patent_app_number] => 6/279287 [patent_app_country] => US [patent_app_date] => 1981-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 4156 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/431/04431057.pdf [firstpage_image] =>[orig_patent_app_number] => 279287 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/279287
Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation Jun 29, 1981 Issued
Array ( [id] => 2016220 [patent_doc_number] => 04369844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Method using lost circulation material for sealing permeable formations' [patent_app_type] => 1 [patent_app_number] => 6/278127 [patent_app_country] => US [patent_app_date] => 1981-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4902 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/369/04369844.pdf [firstpage_image] =>[orig_patent_app_number] => 278127 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/278127
Method using lost circulation material for sealing permeable formations Jun 28, 1981 Issued
Array ( [id] => 2085990 [patent_doc_number] => 04423908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-03 [patent_title] => 'Formation of an in situ oil shale retort with control of mounding' [patent_app_type] => 1 [patent_app_number] => 6/277852 [patent_app_country] => US [patent_app_date] => 1981-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 7131 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/423/04423908.pdf [firstpage_image] =>[orig_patent_app_number] => 277852 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/277852
Formation of an in situ oil shale retort with control of mounding Jun 25, 1981 Issued
Array ( [id] => 2027923 [patent_doc_number] => 04396230 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-02 [patent_title] => 'Multiple branch well containing one producer and one injector well' [patent_app_type] => 1 [patent_app_number] => 6/276552 [patent_app_country] => US [patent_app_date] => 1981-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1671 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/396/04396230.pdf [firstpage_image] =>[orig_patent_app_number] => 276552 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/276552
Multiple branch well containing one producer and one injector well Jun 22, 1981 Issued
Array ( [id] => 2026541 [patent_doc_number] => 04396075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-02 [patent_title] => 'Multiple branch completion with common drilling and casing template' [patent_app_type] => 1 [patent_app_number] => 6/276551 [patent_app_country] => US [patent_app_date] => 1981-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2173 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/396/04396075.pdf [firstpage_image] =>[orig_patent_app_number] => 276551 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/276551
Multiple branch completion with common drilling and casing template Jun 22, 1981 Issued
Array ( [id] => 2037852 [patent_doc_number] => 04417622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-29 [patent_title] => 'Well sampling method and apparatus' [patent_app_type] => 1 [patent_app_number] => 6/272051 [patent_app_country] => US [patent_app_date] => 1981-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 34 [patent_no_of_words] => 5650 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/417/04417622.pdf [firstpage_image] =>[orig_patent_app_number] => 272051 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/272051
Well sampling method and apparatus Jun 8, 1981 Issued
Array ( [id] => 2047213 [patent_doc_number] => 04416332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-22 [patent_title] => 'Method for increasing the pressure in oil-bearing geological structures' [patent_app_type] => 1 [patent_app_number] => 6/269993 [patent_app_country] => US [patent_app_date] => 1981-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1872 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/416/04416332.pdf [firstpage_image] =>[orig_patent_app_number] => 269993 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/269993
Method for increasing the pressure in oil-bearing geological structures Jun 2, 1981 Issued
Array ( [id] => 2028870 [patent_doc_number] => 04366860 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-04 [patent_title] => 'Downhole steam injector' [patent_app_type] => 1 [patent_app_number] => 6/269460 [patent_app_country] => US [patent_app_date] => 1981-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2732 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/366/04366860.pdf [firstpage_image] =>[orig_patent_app_number] => 269460 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/269460
Downhole steam injector Jun 2, 1981 Issued
Array ( [id] => 2013499 [patent_doc_number] => 04399879 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Boring head' [patent_app_type] => 1 [patent_app_number] => 6/267653 [patent_app_country] => US [patent_app_date] => 1981-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1953 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/399/04399879.pdf [firstpage_image] =>[orig_patent_app_number] => 267653 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/267653
Boring head May 26, 1981 Issued
06/267087 METHOD OF AND APPARATUS FOR MOVING REELED MATERIAL INTO AND RETRIEVING IT FROM THE UPPER END OF A WELL BORE IN THE EARTH'S SURFACE May 25, 1981 Abandoned
Array ( [id] => 1993242 [patent_doc_number] => 04379493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-12 [patent_title] => 'Method and apparatus for preventing wireline kinking in a directional drilling system' [patent_app_type] => 1 [patent_app_number] => 6/266387 [patent_app_country] => US [patent_app_date] => 1981-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4855 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/379/04379493.pdf [firstpage_image] =>[orig_patent_app_number] => 266387 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/266387
Method and apparatus for preventing wireline kinking in a directional drilling system May 21, 1981 Issued
Array ( [id] => 2046917 [patent_doc_number] => 04390063 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Geothermal wellhead packing assembly' [patent_app_type] => 1 [patent_app_number] => 6/265310 [patent_app_country] => US [patent_app_date] => 1981-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3756 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390063.pdf [firstpage_image] =>[orig_patent_app_number] => 265310 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/265310
Geothermal wellhead packing assembly May 19, 1981 Issued
Array ( [id] => 1992056 [patent_doc_number] => 04380912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-26 [patent_title] => 'Double wall tube assembly for use in heat exchangers' [patent_app_type] => 1 [patent_app_number] => 6/264860 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 2580 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 507 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/380/04380912.pdf [firstpage_image] =>[orig_patent_app_number] => 264860 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264860
Double wall tube assembly for use in heat exchangers May 17, 1981 Issued
Array ( [id] => 2004329 [patent_doc_number] => 04391329 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Use of marker fluid in cementing offshore wells' [patent_app_type] => 1 [patent_app_number] => 6/263510 [patent_app_country] => US [patent_app_date] => 1981-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4927 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391329.pdf [firstpage_image] =>[orig_patent_app_number] => 263510 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/263510
Use of marker fluid in cementing offshore wells May 13, 1981 Issued
Array ( [id] => 2000213 [patent_doc_number] => 04401164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'In situ method and apparatus for inspecting and repairing subsea wellheads' [patent_app_type] => 1 [patent_app_number] => 6/256999 [patent_app_country] => US [patent_app_date] => 1981-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 4066 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/401/04401164.pdf [firstpage_image] =>[orig_patent_app_number] => 256999 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/256999
In situ method and apparatus for inspecting and repairing subsea wellheads Apr 23, 1981 Issued
Array ( [id] => 2013485 [patent_doc_number] => 04399877 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Continuous borehole telemetry system and method' [patent_app_type] => 1 [patent_app_number] => 6/255024 [patent_app_country] => US [patent_app_date] => 1981-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3812 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/399/04399877.pdf [firstpage_image] =>[orig_patent_app_number] => 255024 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/255024
Continuous borehole telemetry system and method Apr 16, 1981 Issued
Menu