P

Inventor

ROBERTS DAVID L

US15 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHELL OIL CO

3 patents
US4808038AFeb 28, 1989

Method for installing a hollow closed bottom pile

SHELL OIL CO21 citations78
US4834583AMay 30, 1989

Method for installing a hollow pipe

SHELL OIL CO3 citations54
US4643257AFeb 17, 1987

Method of recovering hydrocarbons from an underground formation

SHELL OIL CO0 citations42

PHILIP MORRIS INC

2 patents
US6193060B1Feb 27, 2001

Front opening cigarette box

PHILIP MORRIS INC21 citations92
USD443388SJun 5, 2001

Front opening cigarette box

PHILIP MORRIS INC11 citations73

ROBHILL IND INC

2 patents
US4990157AFeb 5, 1991

Soother retainer

ROBHILL IND INC106 citations91
USD326917SJun 9, 1992

Retaining strap for pacifier

ROBHILL IND INC20 citations77

BOOTS CO PLC

2 patents
US5079264AJan 7, 1992

Chemical process

BOOTS CO PLC25 citations88
US5011931AApr 30, 1991

Process for the preparation of 1-methyl-3-methylthio-4-quinolone and the sulfinyl, and sulfonyl analogs thereof

BOOTS CO PLC34 citations88

DONALDSON CO INC

1 patent
US4580657AApr 8, 1986

Integral fluted tube for sound suppression and exhaust ejection

DONALDSON CO INC53 citations93

VISION LTD PARTNERSHIP

1 patent
US6242877B1Jun 5, 2001

Control system and method for cycle-based processes

VISION LTD PARTNERSHIP21 citations85

UNIV MICHIGAN STATE

1 patent
US5077045ADec 31, 1991

Method for suppressing weed grasses using xanthomonas campestris

UNIV MICHIGAN STATE7 citations73

VISION LIMITED PARTNERSHIP

1 patent
US6084375AJul 4, 2000

Method and apparatus for control of drive systems for cycle based processes

VISION LIMITED PARTNERSHIP8 citations68

SHELL INT RESEARCH

1 patent
US4708177ANov 24, 1987

Fume extractor device

SHELL INT RESEARCH3 citations62

GEN ELECTRIC CAPITAL CORP

1 patent
US7373306B1May 13, 2008

Systems and methods for tracking employee leaves under the FMLA

GEN ELECTRIC CAPITAL CORP7 citations61