Search

David Lam

Examiner (ID: 17065, Phone: (571)272-1782 , Office: P/2825 )

Most Active Art Unit
2827
Art Unit(s)
2818, 2827, 2825
Total Applications
2102
Issued Applications
2016
Pending Applications
28
Abandoned Applications
60

Applications

Application numberTitle of the applicationFiling DateStatus
07/664416 OXYGEN PROBE FOR A HEAT-TREATMENT FURNACE Feb 27, 1991 Abandoned
Array ( [id] => 2967749 [patent_doc_number] => 05225058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Control and automatic regulation device for cathodic protection systems in reinforced concrete structures' [patent_app_type] => 1 [patent_app_number] => 7/659269 [patent_app_country] => US [patent_app_date] => 1991-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3004 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/225/05225058.pdf [firstpage_image] =>[orig_patent_app_number] => 659269 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/659269
Control and automatic regulation device for cathodic protection systems in reinforced concrete structures Feb 21, 1991 Issued
Array ( [id] => 2984510 [patent_doc_number] => 05346598 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Method for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water' [patent_app_type] => 1 [patent_app_number] => 7/658582 [patent_app_country] => US [patent_app_date] => 1991-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 7466 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/346/05346598.pdf [firstpage_image] =>[orig_patent_app_number] => 658582 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/658582
Method for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water Feb 20, 1991 Issued
Array ( [id] => 2839546 [patent_doc_number] => 05106480 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Device of the solid-electrolyte electrochemical cell type' [patent_app_type] => 1 [patent_app_number] => 7/653997 [patent_app_country] => US [patent_app_date] => 1991-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3829 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/106/05106480.pdf [firstpage_image] =>[orig_patent_app_number] => 653997 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/653997
Device of the solid-electrolyte electrochemical cell type Feb 12, 1991 Issued
Array ( [id] => 3071821 [patent_doc_number] => 05322611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Humidity-resistant ambient-temperature solid-electrolyte amperometric sensing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/648649 [patent_app_country] => US [patent_app_date] => 1991-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3027 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/322/05322611.pdf [firstpage_image] =>[orig_patent_app_number] => 648649 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/648649
Humidity-resistant ambient-temperature solid-electrolyte amperometric sensing apparatus Jan 30, 1991 Issued
Array ( [id] => 2842308 [patent_doc_number] => 05104502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Cathodic protection system and its preparation' [patent_app_type] => 1 [patent_app_number] => 7/644825 [patent_app_country] => US [patent_app_date] => 1991-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2964 [patent_no_of_claims] => 20 [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/05/104/05104502.pdf [firstpage_image] =>[orig_patent_app_number] => 644825 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/644825
Cathodic protection system and its preparation Jan 22, 1991 Issued
Array ( [id] => 2700233 [patent_doc_number] => 05068023 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Electrode arrangement' [patent_app_type] => 1 [patent_app_number] => 7/641636 [patent_app_country] => US [patent_app_date] => 1991-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2013 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/068/05068023.pdf [firstpage_image] =>[orig_patent_app_number] => 641636 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641636
Electrode arrangement Jan 16, 1991 Issued
Array ( [id] => 2952500 [patent_doc_number] => 05198088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Apparatus for the preparation of alkali metal monofluorhosphates' [patent_app_type] => 1 [patent_app_number] => 7/640797 [patent_app_country] => US [patent_app_date] => 1991-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1199 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/198/05198088.pdf [firstpage_image] =>[orig_patent_app_number] => 640797 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/640797
Apparatus for the preparation of alkali metal monofluorhosphates Jan 15, 1991 Issued
07/635615 ELECTROCHEMICAL MEASURING SENSOR Jan 3, 1991 Abandoned
Array ( [id] => 4351842 [patent_doc_number] => 06254743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Expanded titanium metal mesh' [patent_app_type] => 1 [patent_app_number] => 7/632907 [patent_app_country] => US [patent_app_date] => 1990-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 5723 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/254/06254743.pdf [firstpage_image] =>[orig_patent_app_number] => 632907 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/632907
Expanded titanium metal mesh Dec 23, 1990 Issued
Array ( [id] => 2915446 [patent_doc_number] => 05192414 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Electrode probe for use in aqueous environments of high temperature and high radiation' [patent_app_type] => 1 [patent_app_number] => 7/633748 [patent_app_country] => US [patent_app_date] => 1990-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3643 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/192/05192414.pdf [firstpage_image] =>[orig_patent_app_number] => 633748 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633748
Electrode probe for use in aqueous environments of high temperature and high radiation Dec 19, 1990 Issued
Array ( [id] => 2952609 [patent_doc_number] => 05198094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Counterflow device to reduce the negative impact of contaminating materials used in moisture sensitive apparatuses or procedures' [patent_app_type] => 1 [patent_app_number] => 7/629439 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4519 [patent_no_of_claims] => 16 [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/05/198/05198094.pdf [firstpage_image] =>[orig_patent_app_number] => 629439 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629439
Counterflow device to reduce the negative impact of contaminating materials used in moisture sensitive apparatuses or procedures Dec 17, 1990 Issued
07/628941 ENZYME ELECTRODE Dec 13, 1990 Abandoned
Array ( [id] => 2927899 [patent_doc_number] => 05246576 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Cathode in a layered circuit and electrochemical cell for a measurement of oxygen in fluids' [patent_app_type] => 1 [patent_app_number] => 7/624948 [patent_app_country] => US [patent_app_date] => 1990-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 6997 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/246/05246576.pdf [firstpage_image] =>[orig_patent_app_number] => 624948 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624948
Cathode in a layered circuit and electrochemical cell for a measurement of oxygen in fluids Dec 9, 1990 Issued
Array ( [id] => 3086705 [patent_doc_number] => 05312538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-17 [patent_title] => 'Device for controlling the electrical power supply of an oxygen pump of a linear oxygen probe' [patent_app_type] => 1 [patent_app_number] => 7/613080 [patent_app_country] => US [patent_app_date] => 1990-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4412 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/312/05312538.pdf [firstpage_image] =>[orig_patent_app_number] => 613080 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/613080
Device for controlling the electrical power supply of an oxygen pump of a linear oxygen probe Nov 13, 1990 Issued
Array ( [id] => 2792790 [patent_doc_number] => 05139626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-18 [patent_title] => 'Ion concentration measurement method' [patent_app_type] => 1 [patent_app_number] => 7/607856 [patent_app_country] => US [patent_app_date] => 1990-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4322 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/139/05139626.pdf [firstpage_image] =>[orig_patent_app_number] => 607856 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/607856
Ion concentration measurement method Oct 30, 1990 Issued
Array ( [id] => 2792915 [patent_doc_number] => 05139634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-18 [patent_title] => 'Method of use of dual bed cathodic protection system with automatic controls' [patent_app_type] => 1 [patent_app_number] => 7/603132 [patent_app_country] => US [patent_app_date] => 1990-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6211 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/139/05139634.pdf [firstpage_image] =>[orig_patent_app_number] => 603132 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/603132
Method of use of dual bed cathodic protection system with automatic controls Oct 24, 1990 Issued
Array ( [id] => 2766580 [patent_doc_number] => 05074977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Digital biosensors and method of using same' [patent_app_type] => 1 [patent_app_number] => 7/601940 [patent_app_country] => US [patent_app_date] => 1990-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7126 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/074/05074977.pdf [firstpage_image] =>[orig_patent_app_number] => 601940 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/601940
Digital biosensors and method of using same Oct 22, 1990 Issued
Array ( [id] => 2860997 [patent_doc_number] => 05096565 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Safe failure ion selective combination electrode' [patent_app_type] => 1 [patent_app_number] => 7/597048 [patent_app_country] => US [patent_app_date] => 1990-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 596 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096565.pdf [firstpage_image] =>[orig_patent_app_number] => 597048 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/597048
Safe failure ion selective combination electrode Oct 14, 1990 Issued
Array ( [id] => 2926562 [patent_doc_number] => 05228975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Gas sensor having hermetic and electrically insulating seal in housing' [patent_app_type] => 1 [patent_app_number] => 7/598018 [patent_app_country] => US [patent_app_date] => 1990-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4178 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228975.pdf [firstpage_image] =>[orig_patent_app_number] => 598018 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/598018
Gas sensor having hermetic and electrically insulating seal in housing Oct 10, 1990 Issued
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