John G Langan
Inventor
Stats
- 5 US patents issued
- 8 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 5 US Patents Issued
- 8 US Applications Filed
- 444 Total Citation Count
- Nov 8, 2022 Most Recent Filing
- Jul 8, 1993 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| AIR PRODUCTS AND CHEMICALS, INC. | 1
| 1994
|
| NOVELLUS SYSTEMS, INC. | 1
1 | 2001
2005 |
| VERSUM MATERIALS US, LLC | 1
1 | 1993
1996 |
Inventor Addresses
| Address | Duration |
|---|---|
| Pleasanton, CA | Mar 29, 05 - Mar 29, 05 |
| Pleasanton, CA, US | Jan 20, 09 - Jan 20, 09 |
| TEMPE, AZ, US | Dec 26, 24 - Jan 09, 25 |
| Tempe, AZ, US | Oct 24, 24 - Oct 24, 24 |
| Wescosville, PA | May 09, 95 - May 06, 97 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B08B: | CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL | 2 |
| B24B: | MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING | 1 |
| B44C: | PRODUCING DECORATIVE EFFECTS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2025/0014,911 | 2025 | PAD-IN-A-BOTTLE AND SINGLE PLATEN CHEMICAL MECHANICAL-PLANARIZATION FOR BACK-END APPLICATIONS | 0 |
| 2024/0425,723 | 2024 | PAD-IN-A-BOTTLE CHEMICAL MECHANICAL PLANARIZATION POLISHING WITH COST-EFFECTIVE NON-POROUS SOLID POLISHING PADS | 0 |
| 2024/0352,279 | 2024 | PAD-IN-A-BOTTLE (PIB) TECHNOLOGY FOR COPPER BARRIER SLURRIES | 0 |
| 7479191 | 2009 | Method for endpointing CVD chamber cleans following ultra low-k film treatments | 11 |
| 6872323 | 2005 | In situ plasma process to remove fluorine residues from the interior surfaces of a CVD reactor | 58 |
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