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
Array ( [id] => 2049764 [patent_doc_number] => 04406754 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-27 [patent_title] => 'Method and probe for the rapid determination of sulfur level' [patent_app_type] => 1 [patent_app_number] => 6/246944 [patent_app_country] => US [patent_app_date] => 1981-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 17 [patent_no_of_words] => 6091 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/406/04406754.pdf [firstpage_image] =>[orig_patent_app_number] => 246944 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/246944
Method and probe for the rapid determination of sulfur level Mar 23, 1981 Issued
06/246790 PROCESS FOR ELECTROCHEMICAL PRODUCTION OF SODIUM FERRATE (FE(VI) Mar 22, 1981 Abandoned
06/246794 PROCESS FOR MAKING POTASSIUM FERRATE (FE(VI)) BY THE ELECTROCHEMICAL FORMATION OF SODIUM FERRATE Mar 22, 1981 Abandoned
06/246789 PROCESS FOR MAKING ALKALINE EARTH METAL FERRATES (FE(VI) BY THE ELECTROCHEMICAL FORMATION OF SODIUM FERRATE Mar 22, 1981 Abandoned
06/244693 STICK-ON-MASK FOR USE WITH COULOMETRIC MEASURING INSTRUMENTS Mar 16, 1981 Abandoned
Array ( [id] => 2044418 [patent_doc_number] => 04405430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-20 [patent_title] => 'Remotely operable sample-taking appliance, especially for ascertaining radio activity profiles in contaminated material surfaces' [patent_app_type] => 1 [patent_app_number] => 6/243557 [patent_app_country] => US [patent_app_date] => 1981-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4507 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/405/04405430.pdf [firstpage_image] =>[orig_patent_app_number] => 243557 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/243557
Remotely operable sample-taking appliance, especially for ascertaining radio activity profiles in contaminated material surfaces Mar 12, 1981 Issued
Array ( [id] => 2044305 [patent_doc_number] => 04405418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-20 [patent_title] => 'Process for the production of sodium chlorate' [patent_app_type] => 1 [patent_app_number] => 6/240226 [patent_app_country] => US [patent_app_date] => 1981-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8728 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/405/04405418.pdf [firstpage_image] =>[orig_patent_app_number] => 240226 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/240226
Process for the production of sodium chlorate Mar 2, 1981 Issued
06/239864 COMBUSTIBLES SENSOR Mar 1, 1981 Abandoned
Array ( [id] => 2007321 [patent_doc_number] => 04399002 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-16 [patent_title] => 'Large organic cation-selective electrodes' [patent_app_type] => 1 [patent_app_number] => 6/239081 [patent_app_country] => US [patent_app_date] => 1981-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4835 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/399/04399002.pdf [firstpage_image] =>[orig_patent_app_number] => 239081 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/239081
Large organic cation-selective electrodes Feb 26, 1981 Issued
Array ( [id] => 1945140 [patent_doc_number] => 04366039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-28 [patent_title] => 'Oxygen sensing device having means for control of current to produce reference oxygen partial pressure' [patent_app_type] => 1 [patent_app_number] => 6/238637 [patent_app_country] => US [patent_app_date] => 1981-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 8410 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/366/04366039.pdf [firstpage_image] =>[orig_patent_app_number] => 238637 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/238637
Oxygen sensing device having means for control of current to produce reference oxygen partial pressure Feb 25, 1981 Issued
Array ( [id] => 2003641 [patent_doc_number] => 04401548 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'Reference electrode with internal diffusion barrier' [patent_app_type] => 1 [patent_app_number] => 6/233993 [patent_app_country] => US [patent_app_date] => 1981-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 5307 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/401/04401548.pdf [firstpage_image] =>[orig_patent_app_number] => 233993 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/233993
Reference electrode with internal diffusion barrier Feb 11, 1981 Issued
Array ( [id] => 2044407 [patent_doc_number] => 04405429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-20 [patent_title] => 'Oxygen detector' [patent_app_type] => 1 [patent_app_number] => 6/233477 [patent_app_country] => US [patent_app_date] => 1981-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1939 [patent_no_of_claims] => 13 [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/04/405/04405429.pdf [firstpage_image] =>[orig_patent_app_number] => 233477 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/233477
Oxygen detector Feb 10, 1981 Issued
Array ( [id] => 2115988 [patent_doc_number] => 04468289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-28 [patent_title] => 'Coulometric titration method' [patent_app_type] => 1 [patent_app_number] => 6/231013 [patent_app_country] => US [patent_app_date] => 1981-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3332 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/468/04468289.pdf [firstpage_image] =>[orig_patent_app_number] => 231013 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/231013
Coulometric titration method Feb 2, 1981 Issued
Array ( [id] => 1985602 [patent_doc_number] => 04360415 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-23 [patent_title] => 'Noise suppressing bypass for reference electrode' [patent_app_type] => 1 [patent_app_number] => 6/230457 [patent_app_country] => US [patent_app_date] => 1981-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2877 [patent_no_of_claims] => 5 [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/04/360/04360415.pdf [firstpage_image] =>[orig_patent_app_number] => 230457 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/230457
Noise suppressing bypass for reference electrode Feb 1, 1981 Issued
Array ( [id] => 2005595 [patent_doc_number] => 04368105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-11 [patent_title] => 'Electrolytic solution for Karl Fischer coulometric titration' [patent_app_type] => 1 [patent_app_number] => 6/226732 [patent_app_country] => US [patent_app_date] => 1981-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2376 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/368/04368105.pdf [firstpage_image] =>[orig_patent_app_number] => 226732 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/226732
Electrolytic solution for Karl Fischer coulometric titration Jan 20, 1981 Issued
Array ( [id] => 2024830 [patent_doc_number] => 04420382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-13 [patent_title] => 'Method for controlling end effect on anodes used for cathodic protection and other applications' [patent_app_type] => 1 [patent_app_number] => 6/224803 [patent_app_country] => US [patent_app_date] => 1981-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1468 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/420/04420382.pdf [firstpage_image] =>[orig_patent_app_number] => 224803 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/224803
Method for controlling end effect on anodes used for cathodic protection and other applications Jan 12, 1981 Issued
Array ( [id] => 2050889 [patent_doc_number] => 04416736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-22 [patent_title] => 'Procedure for the enrichment of the element of interest from a solution for nonflame atomic absorption spectroscopy' [patent_app_type] => 1 [patent_app_number] => 6/223070 [patent_app_country] => US [patent_app_date] => 1981-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1691 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/416/04416736.pdf [firstpage_image] =>[orig_patent_app_number] => 223070 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/223070
Procedure for the enrichment of the element of interest from a solution for nonflame atomic absorption spectroscopy Jan 5, 1981 Issued
Array ( [id] => 2056377 [patent_doc_number] => 04455213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Pressure equalization system for membrane type amperometric sensors' [patent_app_type] => 1 [patent_app_number] => 6/221143 [patent_app_country] => US [patent_app_date] => 1980-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4298 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/455/04455213.pdf [firstpage_image] =>[orig_patent_app_number] => 221143 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/221143
Pressure equalization system for membrane type amperometric sensors Dec 28, 1980 Issued
Array ( [id] => 2030654 [patent_doc_number] => 04381981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-03 [patent_title] => 'Sacrificial cathodic protection system' [patent_app_type] => 1 [patent_app_number] => 6/217268 [patent_app_country] => US [patent_app_date] => 1980-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2155 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/381/04381981.pdf [firstpage_image] =>[orig_patent_app_number] => 217268 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/217268
Sacrificial cathodic protection system Dec 16, 1980 Issued
Array ( [id] => 2004844 [patent_doc_number] => 04397725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-09 [patent_title] => 'Apparatus for measuring electrochemical activity' [patent_app_type] => 1 [patent_app_number] => 6/216458 [patent_app_country] => US [patent_app_date] => 1980-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 7632 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/397/04397725.pdf [firstpage_image] =>[orig_patent_app_number] => 216458 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/216458
Apparatus for measuring electrochemical activity Dec 14, 1980 Issued
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