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] => 2028886 [patent_doc_number] => 04366862 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-04 [patent_title] => 'Downhole pump and testing apparatus' [patent_app_type] => 1 [patent_app_number] => 6/255252 [patent_app_country] => US [patent_app_date] => 1981-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 7983 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 496 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/366/04366862.pdf [firstpage_image] =>[orig_patent_app_number] => 255252 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/255252
Downhole pump and testing apparatus Apr 16, 1981 Issued
Array ( [id] => 2000850 [patent_doc_number] => 04387768 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-14 [patent_title] => 'Modified in situ retorting of oil shale' [patent_app_type] => 1 [patent_app_number] => 6/253987 [patent_app_country] => US [patent_app_date] => 1981-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 890 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/387/04387768.pdf [firstpage_image] =>[orig_patent_app_number] => 253987 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/253987
Modified in situ retorting of oil shale Apr 12, 1981 Issued
Array ( [id] => 2046953 [patent_doc_number] => 04390067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Method of treating reservoirs containing very viscous crude oil or bitumen' [patent_app_type] => 1 [patent_app_number] => 6/251587 [patent_app_country] => US [patent_app_date] => 1981-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4125 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390067.pdf [firstpage_image] =>[orig_patent_app_number] => 251587 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/251587
Method of treating reservoirs containing very viscous crude oil or bitumen Apr 5, 1981 Issued
Array ( [id] => 1944043 [patent_doc_number] => 04335791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-22 [patent_title] => 'Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment' [patent_app_type] => 1 [patent_app_number] => 6/251208 [patent_app_country] => US [patent_app_date] => 1981-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3885 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/335/04335791.pdf [firstpage_image] =>[orig_patent_app_number] => 251208 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/251208
Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment Apr 5, 1981 Issued
Array ( [id] => 2330338 [patent_doc_number] => 04712626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-15 [patent_title] => 'Retainer device for drill bit' [patent_app_type] => 1 [patent_app_number] => 6/250290 [patent_app_country] => US [patent_app_date] => 1981-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2860 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/712/04712626.pdf [firstpage_image] =>[orig_patent_app_number] => 250290 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/250290
Retainer device for drill bit Apr 1, 1981 Issued
Array ( [id] => 2012885 [patent_doc_number] => 04371045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-01 [patent_title] => 'Method and apparatus for recovering unstable cores' [patent_app_type] => 1 [patent_app_number] => 6/249783 [patent_app_country] => US [patent_app_date] => 1981-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3887 [patent_no_of_claims] => 12 [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/04/371/04371045.pdf [firstpage_image] =>[orig_patent_app_number] => 249783 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/249783
Method and apparatus for recovering unstable cores Mar 31, 1981 Issued
06/248740 METHOD TO REDUCE SULFONATE LOSS IN MICELLAR FLOODING Mar 29, 1981 Abandoned
Array ( [id] => 2309058 [patent_doc_number] => 04688652 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-25 [patent_title] => 'Braze fixtures for use in drilling tools' [patent_app_type] => 1 [patent_app_number] => 6/248406 [patent_app_country] => US [patent_app_date] => 1981-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2165 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/688/04688652.pdf [firstpage_image] =>[orig_patent_app_number] => 248406 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/248406
Braze fixtures for use in drilling tools Mar 26, 1981 Issued
06/247526 PROTECTIVE JACKET ASSEMBLY Mar 24, 1981 Abandoned
Array ( [id] => 2050118 [patent_doc_number] => 04393929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-19 [patent_title] => 'Well packers and slip assemblies for use therewith' [patent_app_type] => 1 [patent_app_number] => 6/233627 [patent_app_country] => US [patent_app_date] => 1981-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 7198 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/393/04393929.pdf [firstpage_image] =>[orig_patent_app_number] => 233627 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/233627
Well packers and slip assemblies for use therewith Feb 16, 1981 Issued
Array ( [id] => 2000957 [patent_doc_number] => 04407363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-04 [patent_title] => 'Subsurface well apparatus' [patent_app_type] => 1 [patent_app_number] => 6/233629 [patent_app_country] => US [patent_app_date] => 1981-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 9498 [patent_no_of_claims] => 64 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/407/04407363.pdf [firstpage_image] =>[orig_patent_app_number] => 233629 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/233629
Subsurface well apparatus Feb 16, 1981 Issued
Array ( [id] => 2000876 [patent_doc_number] => 04387771 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-14 [patent_title] => 'Wellhead system for exploratory wells' [patent_app_type] => 1 [patent_app_number] => 6/261091 [patent_app_country] => US [patent_app_date] => 1981-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2462 [patent_no_of_claims] => 10 [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/04/387/04387771.pdf [firstpage_image] =>[orig_patent_app_number] => 261091 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261091
Wellhead system for exploratory wells Feb 16, 1981 Issued
06/233628 FLOW CONTROLLING APPARATUS Feb 16, 1981 Abandoned
Array ( [id] => 2016201 [patent_doc_number] => 04369842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Analyzing oil shale retort off-gas for carbon dioxide to determine the combustion zone temperature' [patent_app_type] => 1 [patent_app_number] => 6/232575 [patent_app_country] => US [patent_app_date] => 1981-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4969 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/369/04369842.pdf [firstpage_image] =>[orig_patent_app_number] => 232575 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/232575
Analyzing oil shale retort off-gas for carbon dioxide to determine the combustion zone temperature Feb 8, 1981 Issued
Array ( [id] => 2014893 [patent_doc_number] => 04400034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Coal comminution and recovery process using gas drying' [patent_app_type] => 1 [patent_app_number] => 6/232618 [patent_app_country] => US [patent_app_date] => 1981-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2780 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/400/04400034.pdf [firstpage_image] =>[orig_patent_app_number] => 232618 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/232618
Coal comminution and recovery process using gas drying Feb 8, 1981 Issued
Array ( [id] => 2001055 [patent_doc_number] => 04407374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-04 [patent_title] => 'Device for controlling the orientation of bore holes' [patent_app_type] => 1 [patent_app_number] => 6/230591 [patent_app_country] => US [patent_app_date] => 1981-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2013 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/407/04407374.pdf [firstpage_image] =>[orig_patent_app_number] => 230591 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/230591
Device for controlling the orientation of bore holes Feb 1, 1981 Issued
Array ( [id] => 2033173 [patent_doc_number] => 04410052 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-18 [patent_title] => 'Method of drilling a productive bed' [patent_app_type] => 1 [patent_app_number] => 6/232033 [patent_app_country] => US [patent_app_date] => 1981-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3562 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/410/04410052.pdf [firstpage_image] =>[orig_patent_app_number] => 232033 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/232033
Method of drilling a productive bed Jan 30, 1981 Issued
Array ( [id] => 1943307 [patent_doc_number] => 04365669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-28 [patent_title] => 'Non-solvent bonded plastic well screen assembly' [patent_app_type] => 1 [patent_app_number] => 6/229391 [patent_app_country] => US [patent_app_date] => 1981-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1631 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/365/04365669.pdf [firstpage_image] =>[orig_patent_app_number] => 229391 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/229391
Non-solvent bonded plastic well screen assembly Jan 28, 1981 Issued
Array ( [id] => 2026466 [patent_doc_number] => 04396065 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-02 [patent_title] => 'Pipe joint separation' [patent_app_type] => 1 [patent_app_number] => 6/229033 [patent_app_country] => US [patent_app_date] => 1981-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 688 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/396/04396065.pdf [firstpage_image] =>[orig_patent_app_number] => 229033 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/229033
Pipe joint separation Jan 27, 1981 Issued
Array ( [id] => 2004308 [patent_doc_number] => 04391326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Stinger assembly for oil well tool' [patent_app_type] => 1 [patent_app_number] => 6/227291 [patent_app_country] => US [patent_app_date] => 1981-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3287 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391326.pdf [firstpage_image] =>[orig_patent_app_number] => 227291 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/227291
Stinger assembly for oil well tool Jan 21, 1981 Issued
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