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
07/044166 INJECTION PROFILE CONTROL IN SUBTERRANEAN FORMATIONS Apr 29, 1987 Abandoned
Array ( [id] => 2440177 [patent_doc_number] => 04765418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-23 [patent_title] => 'Borehole drill construction' [patent_app_type] => 1 [patent_app_number] => 7/041600 [patent_app_country] => US [patent_app_date] => 1987-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1502 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/765/04765418.pdf [firstpage_image] =>[orig_patent_app_number] => 041600 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/041600
Borehole drill construction Apr 21, 1987 Issued
Array ( [id] => 2591523 [patent_doc_number] => 04901802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Method and apparatus for perforating formations in response to tubing pressure' [patent_app_type] => 1 [patent_app_number] => 7/040217 [patent_app_country] => US [patent_app_date] => 1987-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4834 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/901/04901802.pdf [firstpage_image] =>[orig_patent_app_number] => 040217 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/040217
Method and apparatus for perforating formations in response to tubing pressure Apr 19, 1987 Issued
Array ( [id] => 2371901 [patent_doc_number] => 04736797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-12 [patent_title] => 'Jarring system and method for use with an electric line' [patent_app_type] => 1 [patent_app_number] => 7/039634 [patent_app_country] => US [patent_app_date] => 1987-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7335 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/736/04736797.pdf [firstpage_image] =>[orig_patent_app_number] => 039634 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/039634
Jarring system and method for use with an electric line Apr 15, 1987 Issued
Array ( [id] => 2434092 [patent_doc_number] => 04721156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-26 [patent_title] => 'Well clean out apparatus' [patent_app_type] => 1 [patent_app_number] => 7/033663 [patent_app_country] => US [patent_app_date] => 1987-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2198 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/721/04721156.pdf [firstpage_image] =>[orig_patent_app_number] => 033663 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/033663
Well clean out apparatus Apr 2, 1987 Issued
Array ( [id] => 2403173 [patent_doc_number] => 04770249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-13 [patent_title] => 'Method and appparatus for reduction of well assembly time' [patent_app_type] => 1 [patent_app_number] => 7/030396 [patent_app_country] => US [patent_app_date] => 1987-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2797 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/770/04770249.pdf [firstpage_image] =>[orig_patent_app_number] => 030396 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/030396
Method and appparatus for reduction of well assembly time Mar 25, 1987 Issued
Array ( [id] => 2438332 [patent_doc_number] => 04732226 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-22 [patent_title] => 'Drilling machine' [patent_app_type] => 1 [patent_app_number] => 7/026525 [patent_app_country] => US [patent_app_date] => 1987-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4269 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/732/04732226.pdf [firstpage_image] =>[orig_patent_app_number] => 026525 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/026525
Drilling machine Mar 15, 1987 Issued
Array ( [id] => 2439920 [patent_doc_number] => 04765405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-23 [patent_title] => 'Perforation circulating washer' [patent_app_type] => 1 [patent_app_number] => 7/025348 [patent_app_country] => US [patent_app_date] => 1987-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1038 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/765/04765405.pdf [firstpage_image] =>[orig_patent_app_number] => 025348 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/025348
Perforation circulating washer Mar 12, 1987 Issued
Array ( [id] => 2431495 [patent_doc_number] => 04756366 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-12 [patent_title] => 'Well servicing methods using a hydraulic actuated workover mast' [patent_app_type] => 1 [patent_app_number] => 7/024254 [patent_app_country] => US [patent_app_date] => 1987-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3389 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/756/04756366.pdf [firstpage_image] =>[orig_patent_app_number] => 024254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/024254
Well servicing methods using a hydraulic actuated workover mast Mar 9, 1987 Issued
07/020545 METHOD AND APPARATUS FOR INSTALLMENT OF UNDERGROUND UTILITIES Mar 2, 1987 Abandoned
Array ( [id] => 2378816 [patent_doc_number] => 04768591 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Steam quality apparatus' [patent_app_type] => 1 [patent_app_number] => 7/020833 [patent_app_country] => US [patent_app_date] => 1987-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2835 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/768/04768591.pdf [firstpage_image] =>[orig_patent_app_number] => 020833 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/020833
Steam quality apparatus Mar 1, 1987 Issued
Array ( [id] => 2401744 [patent_doc_number] => 04760881 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-02 [patent_title] => 'Downhole steam sampler' [patent_app_type] => 1 [patent_app_number] => 7/020834 [patent_app_country] => US [patent_app_date] => 1987-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2927 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/760/04760881.pdf [firstpage_image] =>[orig_patent_app_number] => 020834 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/020834
Downhole steam sampler Mar 1, 1987 Issued
Array ( [id] => 2411556 [patent_doc_number] => 04738313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-19 [patent_title] => 'Gas lift optimization' [patent_app_type] => 1 [patent_app_number] => 7/016905 [patent_app_country] => US [patent_app_date] => 1987-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4633 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/738/04738313.pdf [firstpage_image] =>[orig_patent_app_number] => 016905 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/016905
Gas lift optimization Feb 19, 1987 Issued
Array ( [id] => 2403134 [patent_doc_number] => 04727938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-01 [patent_title] => 'Trona-enhanced steam foam oil recovery process' [patent_app_type] => 1 [patent_app_number] => 7/015243 [patent_app_country] => US [patent_app_date] => 1987-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4251 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/727/04727938.pdf [firstpage_image] =>[orig_patent_app_number] => 015243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/015243
Trona-enhanced steam foam oil recovery process Feb 16, 1987 Issued
07/012225 METHOD FOR PERFORMING FRACTURING OPERATIONS Feb 8, 1987 Abandoned
Array ( [id] => 2375665 [patent_doc_number] => 04723603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-02-09 [patent_title] => 'Preventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wells' [patent_app_type] => 1 [patent_app_number] => 7/010518 [patent_app_country] => US [patent_app_date] => 1987-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3279 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/723/04723603.pdf [firstpage_image] =>[orig_patent_app_number] => 010518 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/010518
Preventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wells Feb 2, 1987 Issued
Array ( [id] => 2403227 [patent_doc_number] => 04727943 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-01 [patent_title] => 'Rotary drill bit' [patent_app_type] => 1 [patent_app_number] => 7/003439 [patent_app_country] => US [patent_app_date] => 1987-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2063 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/727/04727943.pdf [firstpage_image] =>[orig_patent_app_number] => 003439 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/003439
Rotary drill bit Jan 14, 1987 Issued
Array ( [id] => 2434536 [patent_doc_number] => 04766958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-30 [patent_title] => 'Method of recovering viscous oil from reservoirs with multiple horizontal zones' [patent_app_type] => 1 [patent_app_number] => 7/002589 [patent_app_country] => US [patent_app_date] => 1987-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2295 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/766/04766958.pdf [firstpage_image] =>[orig_patent_app_number] => 002589 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/002589
Method of recovering viscous oil from reservoirs with multiple horizontal zones Jan 11, 1987 Issued
Array ( [id] => 2438104 [patent_doc_number] => 04732214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-22 [patent_title] => 'Subsea production test valve assembly' [patent_app_type] => 1 [patent_app_number] => 7/002457 [patent_app_country] => US [patent_app_date] => 1987-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 5169 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/732/04732214.pdf [firstpage_image] =>[orig_patent_app_number] => 002457 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/002457
Subsea production test valve assembly Jan 11, 1987 Issued
Array ( [id] => 2443787 [patent_doc_number] => 04716968 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-05 [patent_title] => 'Double seated well valve' [patent_app_type] => 1 [patent_app_number] => 7/002350 [patent_app_country] => US [patent_app_date] => 1987-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2790 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/716/04716968.pdf [firstpage_image] =>[orig_patent_app_number] => 002350 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/002350
Double seated well valve Jan 11, 1987 Issued
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