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] => 2403061 [patent_doc_number] => 04770243 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-13 [patent_title] => 'Device for regulating the rate of flow of water which is separated from its mixture with hydrocarbons and reinjected into the bottom of the well' [patent_app_type] => 1 [patent_app_number] => 7/092176 [patent_app_country] => US [patent_app_date] => 1987-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1970 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/770/04770243.pdf [firstpage_image] =>[orig_patent_app_number] => 092176 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/092176
Device for regulating the rate of flow of water which is separated from its mixture with hydrocarbons and reinjected into the bottom of the well Sep 1, 1987 Issued
Array ( [id] => 2375848 [patent_doc_number] => 04793408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-27 [patent_title] => 'Device for separating and extracting components having different densities from an effluent' [patent_app_type] => 1 [patent_app_number] => 7/090362 [patent_app_country] => US [patent_app_date] => 1987-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4933 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/793/04793408.pdf [firstpage_image] =>[orig_patent_app_number] => 090362 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/090362
Device for separating and extracting components having different densities from an effluent Aug 27, 1987 Issued
Array ( [id] => 2529415 [patent_doc_number] => 04809778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Oil well tool for in situ release of wellbore treatment fluid' [patent_app_type] => 1 [patent_app_number] => 7/089717 [patent_app_country] => US [patent_app_date] => 1987-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3942 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/809/04809778.pdf [firstpage_image] =>[orig_patent_app_number] => 089717 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/089717
Oil well tool for in situ release of wellbore treatment fluid Aug 25, 1987 Issued
Array ( [id] => 2432990 [patent_doc_number] => 04790392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-13 [patent_title] => 'Soil sample core extraction tool' [patent_app_type] => 1 [patent_app_number] => 7/090083 [patent_app_country] => US [patent_app_date] => 1987-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4377 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/790/04790392.pdf [firstpage_image] =>[orig_patent_app_number] => 090083 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/090083
Soil sample core extraction tool Aug 23, 1987 Issued
Array ( [id] => 2535798 [patent_doc_number] => 04807701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Method for thermal stimulation of a subterranean reservoir and apparatus therefor' [patent_app_type] => 1 [patent_app_number] => 7/087372 [patent_app_country] => US [patent_app_date] => 1987-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2411 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/807/04807701.pdf [firstpage_image] =>[orig_patent_app_number] => 087372 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/087372
Method for thermal stimulation of a subterranean reservoir and apparatus therefor Aug 19, 1987 Issued
Array ( [id] => 2535840 [patent_doc_number] => 04807703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Fracture acidizing sandstone formations' [patent_app_type] => 1 [patent_app_number] => 7/087561 [patent_app_country] => US [patent_app_date] => 1987-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2913 [patent_no_of_claims] => 15 [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/04/807/04807703.pdf [firstpage_image] =>[orig_patent_app_number] => 087561 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/087561
Fracture acidizing sandstone formations Aug 18, 1987 Issued
Array ( [id] => 2433662 [patent_doc_number] => 04791992 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Hydraulically operated and released isolation packer' [patent_app_type] => 1 [patent_app_number] => 7/086569 [patent_app_country] => US [patent_app_date] => 1987-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5881 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/791/04791992.pdf [firstpage_image] =>[orig_patent_app_number] => 086569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086569
Hydraulically operated and released isolation packer Aug 17, 1987 Issued
Array ( [id] => 2436995 [patent_doc_number] => 04757861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-19 [patent_title] => 'Oil well sucker rod coupling assembly' [patent_app_type] => 1 [patent_app_number] => 7/082149 [patent_app_country] => US [patent_app_date] => 1987-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1642 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/757/04757861.pdf [firstpage_image] =>[orig_patent_app_number] => 082149 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/082149
Oil well sucker rod coupling assembly Aug 5, 1987 Issued
Array ( [id] => 2405509 [patent_doc_number] => 04747451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-31 [patent_title] => 'Level sensor' [patent_app_type] => 1 [patent_app_number] => 7/082840 [patent_app_country] => US [patent_app_date] => 1987-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4849 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/747/04747451.pdf [firstpage_image] =>[orig_patent_app_number] => 082840 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/082840
Level sensor Aug 5, 1987 Issued
Array ( [id] => 2438068 [patent_doc_number] => 04732212 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-22 [patent_title] => 'Attachment device for a slip gripping mechanism with floating cone segments' [patent_app_type] => 1 [patent_app_number] => 7/077255 [patent_app_country] => US [patent_app_date] => 1987-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3943 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/732/04732212.pdf [firstpage_image] =>[orig_patent_app_number] => 077255 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/077255
Attachment device for a slip gripping mechanism with floating cone segments Jul 23, 1987 Issued
Array ( [id] => 2431510 [patent_doc_number] => 04750563 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Slip gripping mechanism with automatic segment alignment' [patent_app_type] => 1 [patent_app_number] => 7/077566 [patent_app_country] => US [patent_app_date] => 1987-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4300 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/750/04750563.pdf [firstpage_image] =>[orig_patent_app_number] => 077566 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/077566
Slip gripping mechanism with automatic segment alignment Jul 23, 1987 Issued
Array ( [id] => 2410913 [patent_doc_number] => 04762177 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-09 [patent_title] => 'Slip gripping mechanism with floating cone segments' [patent_app_type] => 1 [patent_app_number] => 7/077559 [patent_app_country] => US [patent_app_date] => 1987-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3990 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/762/04762177.pdf [firstpage_image] =>[orig_patent_app_number] => 077559 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/077559
Slip gripping mechanism with floating cone segments Jul 23, 1987 Issued
Array ( [id] => 2431350 [patent_doc_number] => 04744420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-17 [patent_title] => 'Wellbore cleanout apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/076565 [patent_app_country] => US [patent_app_date] => 1987-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5238 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/744/04744420.pdf [firstpage_image] =>[orig_patent_app_number] => 076565 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/076565
Wellbore cleanout apparatus and method Jul 21, 1987 Issued
Array ( [id] => 2407273 [patent_doc_number] => 04726432 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-02-23 [patent_title] => 'Differentially hardfaced rock bit' [patent_app_type] => 1 [patent_app_number] => 7/072315 [patent_app_country] => US [patent_app_date] => 1987-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2307 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/726/04726432.pdf [firstpage_image] =>[orig_patent_app_number] => 072315 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/072315
Differentially hardfaced rock bit Jul 12, 1987 Issued
Array ( [id] => 2432266 [patent_doc_number] => 04739843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-26 [patent_title] => 'Apparatus for lateral drilling in oil and gas wells' [patent_app_type] => 1 [patent_app_number] => 7/069421 [patent_app_country] => US [patent_app_date] => 1987-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 21 [patent_no_of_words] => 7102 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/739/04739843.pdf [firstpage_image] =>[orig_patent_app_number] => 069421 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/069421
Apparatus for lateral drilling in oil and gas wells Jul 1, 1987 Issued
Array ( [id] => 2401726 [patent_doc_number] => 04760880 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-02 [patent_title] => 'Combination anchor' [patent_app_type] => 1 [patent_app_number] => 7/061558 [patent_app_country] => US [patent_app_date] => 1987-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3177 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/760/04760880.pdf [firstpage_image] =>[orig_patent_app_number] => 061558 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/061558
Combination anchor Jun 14, 1987 Issued
Array ( [id] => 2408959 [patent_doc_number] => 04773479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-27 [patent_title] => 'Corrosion guard tubing nipple' [patent_app_type] => 1 [patent_app_number] => 7/054944 [patent_app_country] => US [patent_app_date] => 1987-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2108 [patent_no_of_claims] => 3 [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/04/773/04773479.pdf [firstpage_image] =>[orig_patent_app_number] => 054944 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/054944
Corrosion guard tubing nipple May 26, 1987 Issued
07/050974 APPARATUS FOR VIBRATING A PIPE STRING IN A BOREHOLE May 14, 1987 Abandoned
Array ( [id] => 2402682 [patent_doc_number] => 04735265 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-05 [patent_title] => 'Method of enhanced oil recovery from subterranean formations' [patent_app_type] => 1 [patent_app_number] => 7/046606 [patent_app_country] => US [patent_app_date] => 1987-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4405 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/735/04735265.pdf [firstpage_image] =>[orig_patent_app_number] => 046606 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/046606
Method of enhanced oil recovery from subterranean formations May 6, 1987 Issued
Array ( [id] => 2343275 [patent_doc_number] => 04703814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-03 [patent_title] => 'Earth boring bit having a replaceable, threaded nozzle with wrench socket' [patent_app_type] => 1 [patent_app_number] => 7/046204 [patent_app_country] => US [patent_app_date] => 1987-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1251 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/703/04703814.pdf [firstpage_image] =>[orig_patent_app_number] => 046204 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/046204
Earth boring bit having a replaceable, threaded nozzle with wrench socket May 3, 1987 Issued
Menu