As of March 2026, the Geyser Patent Attorney Directory contains 162 patent practitioners with verified filing records in Pumps & Compressors (CPC F04). These practitioners have filed a combined 13 patent applications, of which 7 have been granted, a 53.8% allowance rate.
How 162 Pumps & Compressors practitioners score on PatentFit
Annual patent filings in CPC F04
Firms with the most Pumps & Compressors patent filings
Search the full Geyser directory to see individual practitioners ranked by PatentFit Score for your specific technology.
Search Pumps Attorneys on GeyserPatent expertise in pump technology, compressors, and positive-displacement machines.
View CPC definition ↗As of March 2026, the Geyser Patent Attorney Directory database contains 162 patent practitioners with verified filing records in Pumps & Compressors (CPC F04). These practitioners have filed a combined 13 patent applications in this technology area, with 7 granted (53.8% allowance rate).
The allowance rate for patent applications classified under Pumps & Compressors (CPC F04) is 53.8% in our database. The USPTO-wide average is approximately 61.6%. Practitioners with high PatentFit Scores in this area significantly outperform this average.
The Geyser Patent Attorney Directory analyzes 162 practitioners with proven filing records in Pumps & Compressors. Of these, 0 have PatentFit Scores rated "Strong" or "Exceptional," indicating deep specialization. You can search for your specific technology match on our directory.
PatentFit is a composite score (0-100) measuring how well a practitioner's actual filing record aligns with a specific technology area. It combines Specialization Depth (35%), Allowance Rate (25%), Filing Recency (20%), and Experience (20%). Full methodology at https://patentgeyser.com/methodology.
No. Patent practitioners are registered with the USPTO, a federal agency with nationwide jurisdiction. A patent attorney in any U.S. state can file and prosecute patent applications for inventors located anywhere. What matters is their proven expertise in your specific technology area.