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Geyser Patent Attorney Directory

Data derived from public USPTO patent filing records and CPC codes. PatentFit Scores computed from practitioner-to-patent cross-reference analysis. See methodology.

Directory/Specializations

Technology Specializations

Browse all 107 technology areas covered in the Geyser Patent Attorney Directory. Each specialization page shows aggregate practitioner data, PatentFit distributions, filing trends, and top firms, all from verified USPTO records.

Computing & Software

3 specializations

Computing & Data Processing

G06
14870 specialists20,973 patents
60.9% granted

Bioinformatics & Health Informatics

G16
5423 specialists670 patents
73.9% granted

Information Storage

G11
5185 specialists858 patents
62.5% granted

Telecommunications

1 specialization

Electric Communication Technology

H04
14045 specialists18,361 patents
64.5% granted

Electrical Engineering

15 specializations

Measuring & Testing

G01
6564 specialists998 patents
63.5% granted

Controlling & Regulating Systems

G05
5783 specialists1,011 patents
62.4% granted

Electronic Circuitry

H03
4369 specialists749 patents
67.8% granted

Education & Display Devices

G09
3849 specialists401 patents
61.3% granted

Checking & Counting Devices

G07
3563 specialists347 patents
57.1% granted

Musical Instruments & Acoustics

G10
3470 specialists328 patents
60.1% granted

Signalling & Display

G08
3318 specialists422 patents
57.1% granted

Optics

G02
3131 specialists322 patents
68.9% granted

Electric Elements & Components

H01
2052 specialists206 patents
55.8% granted

Electric Techniques Not Covered Elsewhere

H05
1694 specialists145 patents
62.8% granted

Photography & Printing

G03
1421 specialists84 patents
64.3% granted

Semiconductor Devices & Technology

H10
1085 specialists62 patents
61.3% granted

Horology (Timekeeping)

G04
225 specialists9 patents
66.7% granted

Lighting

F21
73 specialists7 patents
57.1% granted

Microstructural Technology (MEMS)

B81
65 specialists2 patents
50% granted

Energy & Environment

7 specializations

Climate Change Mitigation Technology

Y02
6283 specialists1,275 patents
73.7% granted

Electric Power Generation & Distribution

H02
3173 specialists303 patents
64% granted

Machines for Liquids & Wind

F03
454 specialists20 patents
60% granted

Petroleum & Gas Industries

C10
109 specialists1 patents
100% granted

Nuclear Physics & Engineering

G21
58 specialists7 patents
85.7% granted

Combustion Apparatus

F23
42 specialists5 patents
80% granted

Water Treatment

C02
4 specialists1 patents
100% granted

Other Technologies

25 specializations

Technical Subjects (Legacy USPC)

Y10
4113 specialists437 patents
57.7% granted

Cross-Sectional Technology (Y04)

Y04
1706 specialists172 patents
66.9% granted

Mechanical Engineering (F05)

F05
663 specialists28 patents
67.9% granted

Human Necessities (A24)

A24
396 specialists6 patents
33.3% granted

Operations & Transport (B61)

B61
236 specialists15 patents
33.3% granted

Operations & Transport (B41)

B41
123 specialists13 patents
53.8% granted

Textiles & Paper (D10)

D10
123 specialists3 patents
100% granted

Operations & Transport (B08)

B08
122 specialists6 patents
33.3% granted

Operations & Transport (B26)

B26
116 specialists7 patents
57.1% granted

Human Necessities (A22)

A22
88 specialists1 patents
100% granted

Operations & Transport (B31)

B31
60 specialists2 patents
100% granted

Operations & Transport (B28)

B28
57 specialists5 patents
40% granted

Operations & Transport (B24)

B24
56 specialists2 patents
100% granted

Human Necessities (A42)

A42
45 specialists3 patents
66.7% granted

Operations & Transport (B43)

B43
42 specialists1 patents
0% granted

Operations & Transport (B07)

B07
39 specialists2 patents
0% granted

Human Necessities (A44)

A44
36 specialists4 patents
50% granted

Textiles & Paper (D05)

D05
34 specialists2 patents
100% granted

Human Necessities (A46)

A46
26 specialists2 patents
50% granted

Operations & Transport (B44)

B44
19 specialists1 patents
100% granted

Operations & Transport (B30)

B30
18 specialists2 patents
100% granted

Operations & Transport (B42)

B42
15 specialists3 patents
33.3% granted

Mechanical Engineering (F27)

F27
14 specialists2 patents
100% granted

Chemistry & Metallurgy (C40)

C40
5 specialists1 patents
100% granted

Operations & Transport (B02)

B02
3 specialists1 patents
0% granted

Medical & Life Sciences

2 specializations

Medical & Veterinary Science

A61
4019 specialists373 patents
71.3% granted

Biochemistry & Biotechnology

C12
729 specialists26 patents
69.2% granted

Transportation

4 specializations

Vehicles in General

B60
3056 specialists327 patents
48% granted

Aircraft & Aviation

B64
1428 specialists137 patents
66.4% granted

Land Vehicles & Cycles

B62
315 specialists23 patents
26.1% granted

Ships & Marine Technology

B63
101 specialists3 patents
66.7% granted

Consumer Products

7 specializations

Sports, Games & Amusements

A63
1918 specialists189 patents
72% granted

Agriculture & Forestry

A01
893 specialists75 patents
70.7% granted

Furniture & Domestic Articles

A47
619 specialists44 patents
59.1% granted

Footwear

A43
225 specialists33 patents
87.9% granted

Hand Tools & Travel Articles

A45
201 specialists11 patents
63.6% granted

Food & Foodstuffs

A23
133 specialists5 patents
40% granted

Wearing Apparel

A41
21 specialists3 patents
33.3% granted

Manufacturing & Processing

13 specializations

Conveying & Packaging

B65
1230 specialists51 patents
56.9% granted

Plastics Working & Processing

B29
1124 specialists94 patents
59.6% granted

Hand Tools & Portable Power Tools

B25
860 specialists61 patents
62.3% granted

Additive Manufacturing

B33
728 specialists99 patents
60.6% granted

Machine Tools & Metal Working

B23
707 specialists48 patents
60.4% granted

Casting & Powder Metallurgy

B22
522 specialists39 patents
46.2% granted

Spraying & Atomizing

B05
284 specialists11 patents
54.5% granted

Mechanical Metal-Working

B21
127 specialists14 patents
57.1% granted

Fabric Treatment

D06
122 specialists8 patents
50% granted

Braiding & Lace-Making

D04
118 specialists2 patents
100% granted

Coating Metallic Materials

C23
58 specialists3 patents
100% granted

Paper Making

D21
26 specialists4 patents
75% granted

Natural & Artificial Threads

D01
14 specialists1 patents
100% granted

Mechanical Engineering

13 specializations

Heating, Ranges & Ventilation

F24
1169 specialists129 patents
74.4% granted

Engineering Elements & Fasteners

F16
715 specialists30 patents
66.7% granted

Refrigeration & Cooling

F25
313 specialists16 patents
50% granted

Hoisting & Lifting

B66
281 specialists11 patents
54.5% granted

Machines & Engines

F01
246 specialists11 patents
81.8% granted

Liquid Handling

B67
241 specialists5 patents
40% granted

Combustion Engines

F02
221 specialists11 patents
90.9% granted

Heat Exchange

F28
168 specialists4 patents
25% granted

Pumps & Compressors

F04
162 specialists13 patents
53.8% granted

Life-Saving & Fire-Fighting

A62
153 specialists5 patents
40% granted

Fluid-Pressure Actuators

F15
124 specialists4 patents
75% granted

Weapons & Ammunition

F41
108 specialists16 patents
100% granted

Gas & Liquid Storage

F17
21 specialists6 patents
33.3% granted

Construction & Mining

7 specializations

Earth Drilling & Mining

E21
620 specialists68 patents
69.1% granted

Hydraulic Engineering & Foundations

E02
240 specialists11 patents
72.7% granted

Locks, Keys & Closures

E05
217 specialists20 patents
35% granted

Building Construction

E04
162 specialists9 patents
55.6% granted

Water Supply & Sewerage

E03
105 specialists5 patents
60% granted

Doors, Windows & Shutters

E06
87 specialists8 patents
87.5% granted

Roads, Railways & Bridges

E01
82 specialists4 patents
50% granted

Chemistry & Materials

10 specializations

Physical & Chemical Processes

B01
534 specialists15 patents
53.3% granted

Nanotechnology

B82
183 specialists14 patents
28.6% granted

Dyes, Paints & Adhesives

C09
103 specialists5 patents
80% granted

Organic Chemistry

C07
94 specialists6 patents
50% granted

Organic Polymers & Compounds

C08
70 specialists3 patents
66.7% granted

Cements & Ceramics

C04
61 specialists4 patents
100% granted

Layered Products & Composites

B32
37 specialists4 patents
75% granted

Oils, Fats & Detergents

C11
30 specialists1 patents
100% granted

Glass & Mineral Fibres

C03
27 specialists2 patents
50% granted

Inorganic Chemistry

C01
7 specialists1 patents
100% granted